Hackusing
Calling someone a cheater in a video game when they clearly aren't. Noobs do this to feel cool, but it just makes them look like fools.
You shot me in the head from across the map. I'm not a hacker, you're just bad.
He got a headshot. I called him a hacker. I'm a noob.
I got first place and someone called me a hacker. I just laughed and said, 'You're a noob.'