one who farts upon others with extreme potency, causing bodily harm to the victim
Dude, you're an ass assassin, steve is knocked out from your last fart.
by atown86 November 25, 2007
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A ninja or martial arts trained citizen who usually preforms assasinations on the anus of other men or women for money.
he hired him for an ass assasination
his ass was cut by an ass assasin
jason wheeler is a fagtoast
by Richard October 4, 2003
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A well-endowed gay man who knows how to thoroughly destroy an anus and get the victim to ask for more.
Porn star Jeff Stryker is a well-documented ass assassin.
by Smarty_Pantz March 1, 2011
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Boy A: Hey B, Where's your girlfriend?

Boy B: She's not here today, she's on crutches.

Boy A: What happened?

Boy B: Oh, I ass assassinated her last night.
by Onemanarmy675 November 5, 2011
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