the scene is in an italian restaurant where someone opened fired, hitting and killing the intended target and a random patron.
Det. Green "I heard the food here is great"
Det. Briscoe "Oh yeah, it's to die for" *he then looks at the dead guy whos all bloody and shot up.

2 actually.

1. "She had her oofers removed?"
2. "I thought only good boys ate their peas!"

I remember one episode where they had a suspect they were going to arrest cornered in a locked bathroom with no pants. To coax him out they promised him his pants back but when he unlocked the door, they kicked it in on him. When the guy started yelling about being half naked and wanting his pants Briscoe said something like:
"Why? I don't see anything worth covering up."
There was another where they were arresting some guy in a bathroom who was standing taking a leak at a uninal. When the guy turned making a smug comment about Briscoe being lucky he doesn't get urine on Briscoe's shoes, Briscoe replies by saying, (with his gun drawn no less):
"Yeah, and you're lucky I don't shot it off!"
Classic lines on a classic show with one hell of a good actor. You'll be missed by many Mr. Orbach.
"I give that two snaps up in a circle!"

Here are some of my favorites:
Episode "Kid Pro Quo"
Lennie: "What are you doing?"
Ed: (while looking through the victim's cellphone) "Looking through her menu."
Lennie: "Oh, if you're ordering coffee, I'll take one dark, with two sugars."
Same episode:
Lennie (as he walks up to arrest the suspect) "Sold, to the man in the silver bracelets." (This line makes sense because the suspect is auctioning off a spot to the school where the victim was Admississions Director, something one of his employees previously denied doing.)
Episode "Ramparts"
While lifting a bus out of the Hudson River (using what looks like a forklift)
Lennie, turning around: "May we should try to start it."
Episode Gaijin:
Reporter: "Mr. Yoshida, Mr. Yoshida, Mr. Yoshida! What was your reaction when you heard police had apprehended a suspect in your wife's death?"
Yoshida: "Relief, also sadness. Nothing can bring Tamiko back, but I am glad that the man who did this will pay for his crime."
Lennie: "Yeah, so are we."
Yoshida: "Detectives."
Ed: "We wanted to welcome you back personally."
Lennie: "Yeah, and we brought you a gift from the city of New York. You like jewelry?"
Yoshida: "I don't understand."
Lennie (holding handcuffs): "Bracelets."
Episode "Evil Breeds"
Lennie: "You an astronomy buff, Joe?"
Joe (the suspect): "What?"
Ed: "That telescope you gave your fiancee, we know where you got it, and it wasn't at a flea market."
Lennie (holding handcuffs): "You've heard of the seven rings of Saturn, these are the two rings of Rikers."
Episode "Deadbeat"
Lennie: "Well, if you don't need me around here, I'll go home and take a nap."
Episode "Aftershock"
Lennie (drinking in a bar): "You know who kills me? The weather lady. The weather lady says 'It's 65 at the airport.' Who gives a damn? Nobody lives at the airport."
Episode "Corruption"
Rey: "IAB asked me if I had any prior contact with Morales."
Lennie: "They aske me, too, Rey. Listen, the Hellman Commission's only holding these hearings because IA missed 34 dirty cops in one precinct. I mean, they have to prove they can still find their ass with both hands."
Episode "Smoke"2000;
Larry Miller (as himself): "We had a couple of drinks after a couple of shows a couple of decades ago."
Lennie: "And you became a couple?"
Episode "Conduct Unbecoming"
Hotel manager: "It didn't get out of hand until they brought the prostitutes in."
Lennie: "They brought them in? I thought they were on the room service menu."

Briscoe and Green are arresting this dude with a French accent.
Suspect: My lawyer will have your jobs for this!
Briscoe: Great. Can we have his?

green:looks like shes skipped bail
lennie:this is my surprised face

I don't remember the episode dialogue exactly but I just remember that somehow the investigation led him and, I think, Chris Noth to a photography studio that specialized in male nudes. I remember Lennie staring at a picture (that the audience couldn't see) for a while and then turning to Chris Noth and saying:
"Heh I guess that's what you call a head shot!"
Awesome

i love lennie.he was one of the best parts of the show.i still love it though.
Det. Lennie Briscoe: I specifically asked for him to be put on suicide watch. Apparently here at Riker's that mean that they watch you commit suicide.
Det. Lennie Briscoe: Even though you are a taxpayer, you know, we don't actually work for you personally.
Ricardo Garza: Should I say how I didn't mean to do it?
Det. Lennie Briscoe: You mean how you only killed him because he wouldn't give you his watch? Yeah, put that in there, the D.A. would really like that.
Det. Lennie Briscoe: Love - a dangerous disease instantly cured by marriage.
[searching through piles of trash]
Det. Lennie Briscoe: How many apartments are in this building?
Det. Mike Logan: 30.
Det. Lennie Briscoe: Do they ALL have to eat eggs?
[to a reluctant witness]
Detective Lennie Briscoe: There's no such thing as hooker-client confidentiality.
Alexandra Eames: You keep doing that, I'm gonna drop this kid right here.

mine is when briscoe and jessie martin are asking a german couple about a suspect and they argue with eachother on how the guy looked like, then briscoe says "ha, no wonder they had to build a wall"

Lennieisms (nice term) were all great, and he'll be sorely missed. I just wonder how many cops across the country use them in their daily jobs!?! God bless you, Jerry!

Here's another one
[After finding out that the surveillance camera tapes from the crime scene have been removed]
Lennie: "Great. Now what am I gonna watch tonight?"
"Be a good boy and come here." - Kiriko Tsujimori, 'Godzilla X Megaguirus'

There are so many, but one that always comes to mind:
He is asking a woman who runs a charity organization about a murder victim that she was allegedly having sex with.
Woman: "He gave me so much generous support."
Briscoe: "And just how far did his generous support extend?"
Hahahahaha I dont know why but that always cracks me up.
"Somebody drop this fool"

my favorite 'lennieism' is episode where he and ben bratt are at morgue and the coroner says the victim had an ooferectomy and lenny says, 'what?she had her oofers removed?"

it's a reference to the bogey movie treasures of the sierra madre

From tonights L & O Trial By Jury:
"Badges, we don't need no stinkin' badges!"
I know he didn't make that one up, but since it's one of the very last Lennie lines we'll ever have, I'll say it's my favorite. Like Briscoe, Jerry was an awesome guy.

I have two faves, but I haven't seen the episodes in a while so bear with me.
Arresting some guy out of his office
Suspect: My lawyer wi238ll have your jobs for this
Lennie: Great! Can we have his?
Talking to a possible witness
Green (I think): Did you see anything unusual?
Witness: In what way?
Lennie: In an
unusual
way
Life is so incomplete without Jerry; this loss has hit me very deep!
~Beauty and the Beast~

In one episode, the murder took place in a male strip club and Lenny said to Logan "Mike, don't touch anything."

Here's two I remember off the top of my head.
[Looking at the body of a woman who was found dead in a department store changing room]
Lennie: "Well, it finally happened."
Other Detective (can't remember which one): "What?"
Lennie: "She shopped 'till she dropped."
[Looking at a photo of a private school student, more specifically the crest on her uniform shirt/blouse]
Lennie: "It's Latin. Roughly translated, it means 'Tuition starts at 20 grand'."
"Be a good boy and come here." - Kiriko Tsujimori, 'Godzilla X Megaguirus'

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A 'uni' is telling Lennie about the hand found in the trash by the little guy looking for his braces; Lennie:
"Just one? They usually come in pairs"

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And the rest of that line is "and a few shoes too I think."
Actually I like when Van Buren says she'd like it if he'd try to treat Rey like a real partner and he says "yeah well I'd like it if both my exs got new partners too, no more alimony."
Actually the digs at his exs are great like -
"Crazy don't mean stupid, my ex is living proof of that."
"My 2nd wife always wanted a walk-in closet. I finally got one, trouble is I live in it."

About Rey Curtis, his new partner:
"I have ties older than him."
(Something like that, anyway.)