1 definition by McFondlemeslowly
When someone tries to act all big and cool on the internet by posting offensive and rude posts and comments on forums, youtube, etc. Often done to attempt to feel good about one's sad pathetic lonely life.
Nolifer: "you fucking idiot dont know anything about this go to fucking hell lolol i fuck your mom bitch!!
Human Being: "Stop flexing your internet muscles, everyone knows you aint shit"
Human Being: "Stop flexing your internet muscles, everyone knows you aint shit"
by McFondlemeslowly December 19, 2009