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2.
The best fuckin way to get xp in halo 3 on double xp weekend. Get someone who doesnt mind quitting and have him sign in 3 guest controllers as well. Then get 3 others who want xp. Now have the guy with 4 controllers quit so u win every time and join back up. Estimated 100 xp in 30 minutes.

MAKE SURE THAT EVERYONE'S STATUS IS SET TO OFFLINE then you wont get banned.
Me. I have 8000 xp (5 star general) from boosting in grifball and ive never been banned.
by Qua5aRR June 07, 2009
 
1.
A game created by Burnie Burns, the creator of Red vs Blue. It is a game, played on Halo 3 Foundry, where there is a bomb in the middle of the playing field and either team must take the bomb and score it by planting it on the opponent's side of the field.

David: Oh man, I was so close to scoring on the other team in the Grifball tournament!
Joe: I've seen you play. You suck so bad, I bet that the other team almost let you score to make your team feel better.
David:...no you.
by Grifball fan April 21, 2008