"Gravity noooo!" -Soldier, Team Fortress 2, Scream Fortress 2012
"Scientists have studied your
for centuries, and sent me back in time to kick it!" -Soldier, Scream Fortress 2011
"GET OVER HERE!" -Scorpion, any Mortal Kombat game.
"It's official, you suck." -Shao Kahn, plenty of Mortal Kombat games.
"You know what they say: All toasters toast toast." -Mario, Hotel Mario
Not necessarily quotes from video games, but they're related to video games.
"Hey STAR_ I'm going to kritz this Scout. Go
yourself." -Jerma, beginning of STAR_'s "Moron Medic" video.
"Jerma is Mad Part 3 well let's put cigarettes out on my
!" -Jerma, Jerma is Mad Part 3
"I stay in this crack. Forever." -STAR_, Sniper Stomper
"I TAUNT AFTER EVERY KILL" -Caption for freezecam after a sniper kills STAR_ in "Sniper Stomper"