Slang for when a guy wears his underwear backwards so he can take a shit without having to remove them.
I just drop my trousers and then pull the hole of my dump trunks wide open to take a quick and easy crap!
by Dr Bunnygirl May 30, 2020
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Loose, thread-bare fabric sagging in the seat of one's shorts that jostles about like one took a dump in their trunks. Occurs mostly to folks with odd-shaped bods and who believe shorts don't need washing as often as other garments. Will usually smell like bus seat and fecal grease in affected region.
"Connor can't get the smell of skid marks out of his mouth since he bit into Perry's filthy dump trunks."
by Fauxby K February 22, 2020
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To expel raw sewage into ones pants due to surprise, shock or disgust.
Surprise: When I realized Clarence was a girl, I almost dumped my trunks.

Disgust: When that new Avril Lavigne song came out on the radio, I pretty much dumped my trunks.

"Oh crap. I'm going to dump your trunks."
by Bobby Bobbinson May 3, 2008
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When a ghetto booty, is beaten to they are unconscious and then are put into a jumbo ziplock bag and dumped in a trunk
Yo I dumped Lashantay in the trunk and she got a fat ass
by Shocker333 April 21, 2004
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