Distributed denial of service attack. The "distributed" part means the computers are all on a network. There is also a DoS attack. That just stands for "denial of service" and comes from one computer. They aren't as effective.
My password is password.
If you're 15 you're a gamer which means you know
exactly
what a DDoS is. Your post tells me you're 50+ LARPing as 15. Yet another FB pedophile or an FBI agent trying to entrap Dane.
My password is password.