when a female has a nice ass shes got lots of junk in her trunk
damn that bitch got junk in her trunk!
by ashlee June 16, 2004
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to put ones junk (penis) into another persons trunk (ass)
Male 1: Dude, i totally wanted to do her in the ass, but she said she didnt want my junk in her trunk.

Male 2: That sucks man.
by Cathouse3 October 27, 2009
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