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1.
1. Amo Sponge: Typically the guy who has atleast a 1 kill to 100 deaths ratio for various reasons in a video game.
A. he's a n00b
B. he screwed up his controller and can't shoot.
C. he's the @hole ever1 hates but loves to shoot at.

2. The Amo Sponge typically is used for target practice when let loose in the world of video gaming. It's also not uncommon for the amo sponge to be fed generous amounts of "tea bag" in one round.
A. "No matter where 'Player X' went the buckshot seemed to fallow. There for 'Player X' is the Amo Sponge."

B. End of game score for 'Player X' is 1 kill to 100 death ratio."

C. A video gamer who absorbs amo or "amunition" like a sponge to water.

D.See definition of "n00b"
by Stone Black Fox October 02, 2008