Definitions by Scumbag Steve

Deecemode 

The mode you game in right before going into Beastmode. A combination of deece and mode.

Man: Bro, I just killed 12 guys in Slayer; I was good for 2nd on my team.

Bro: Cool, Man. You went into deecemode.

Deecemode by Scumbag Steve March 4, 2011