Top Definition
v. to jerk off into an ashtray
action. while a girl is giving you head and you're smoking a cigarette, tilt her head back and drop the cigarette in her mouth and then bust a nut in it
"Yo, Bobby is going to ash a nut into that Campus Smoker's Center!!"
by 2 Cool Guys and Some Bitch September 12, 2007
5 Words related to ash a nut

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