Top Definition
When a drunk chick is giving you a blow job and passes out before the job is done. You finish up and bust on the bitch's butt.
"Yo did you slasterbutt that girl on my bed last night?"

"yeah"

"gross."
#blowjob #drunk #chick #jizz #the houdini
by Will Rocks! January 19, 2006
5 Words related to Slasterbutt
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