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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Big booty usually a big one that is very "velupcuious"(not spelled right).ba dunka dunk
That way you shake that "junk in da trunk" it turns me out.
by MonkeyPimp March 18, 2006
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When a guy stuffs as many small inanimate objects up a girls vagina.
Tom was harsh - even though Sally was screaming and crying for him to stop, he was able to continue to shove small objects up Sally. She had a large Junk in the Trunk.
by bibbledeeboo December 5, 2010
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referring to the amount of "material" in one's ass
Yo, da hoe gots a lotta junk in da trunk
by angel4325 September 5, 2004
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When a girl has a nice butt.
YO CHECK OUT HER JUNK-IN-DA-TRUNK SHE GOT A NICE SET O' BUNS BRAH
by Guang Hong-Qian June 15, 2016
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that ass is packed with a multitude of flesh. a gaping butthole
man she got some junk in da trunk
by brad October 6, 2004
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An ass that is too fat; a rump that is too plump; being too big in the butt.
Robin would be pretty hot except that she has too much junk in the trunk.
by PMax April 14, 2008
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