To give someone's pokemon obscene or otherwise undesirable nicknames when he or she isn't watching.
From a series of incidents in which pokemon were renamed "fartpaste"
I left my gameboy at Steve's and he fartpasted my silver version something feirce.
by Sheauwn August 20, 2007
Top Definition
the stuff you clean off your underwear after an uh-oh fart
my god he farted and got his fart paste all over his pants
by kile miner March 10, 2006
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