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1.
1) a) (Adj.) Something that can be spammed easily, quickly, and with little or no consequence. b) (Adj.)A video game skill or action that can be (and often is) used multiple times in rapid succession. (e.g., Repeated melee attacks, spam fireball)
Facebook walls are easily spammable.

"How'd you beat the boss?" "I used jump kick over and over again." "Oh yeah, that attack is really spammable."
by marine6 October 02, 2009