Top definition
The act of shitting in some ones trunk without their knowing, just waiting for the owner to open up and find the sweet trunk muffin
Hey man, Jesse was being a D-Bag, so i dropped a trunk muffin in his mom's exterra!
by ZNorton January 27, 2009
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2
when you pull out someone's fold-out couch, crap in it, then fold it back up
and tuck it away.
Grant found out where she lived and cruised over there and was like "hey, is it cool if i sleep on your futon tonight?", after she fell asleep, he gave her a trunkmuffin then bailed.
by willyla June 12, 2008
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