when someone has had way too much anal sex and their anal cavity falls out like an elephant trunk
Look at that...that girl has some serious trunk ass.
by David Meacham January 20, 2003
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An individual who enjoys object of an equivalent size and nature to an elephant trunk stuck up their anus.
See that bottom over there? He’s a real trunk-ass, and it's given him a loose asshole. If you go home with him tonight you'd better be packing or ready to double dutch rudder.
by Michael Parga November 13, 2013
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something really really dirty and smelly, but in a totally boss kind of way.
oh man, this blanket is trunk-ass, but it keeps me warm!
by chessie August 28, 2004
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It's when you have a phat ass

i.e ass = trunk

Trunk is phat
Phat ass , phat trunk

Is a trunk full of ass
by Shashay March 25, 2014
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Reference to one's desire to go to the boot of his/her car in order to obtain firearms for direct use.
Man 1: Fuck you bitch ass nigga!
Man 2: Aw, Don't make me pops da trunk on yo ass!

Bonecrusher's lyrics in the song Never Scared - 'I'm outside of da club and you think im a punk!
So I go to my loaded Tech9 and open da trunk!'
(A looser reference)
by Pseudonigga February 11, 2010
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