Term used in video games when fanboys swarm either professional or well known players in a game. Usually said by the opposite team, or the players that aren't doing it.
*OpTic Predator joins a public match*
Random Fanboy: Holy shit! it's Predator!!! Come on guys, let's try to prove to him we're good at sniping and we'll be in OpTic!!!
Player from other team: "Wow. Look at these noobs Crawlie Trover."