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
A few newbies were planning on surfing but saw that the waves were massive. A passerby on the beach came by and asking if they were going to surf, then a "friend" of the newbie surfers said "these two caked their trunks the second they saw the waves."
by chrispbaconass September 06, 2023
by the dafiner September 09, 2015
The act of rubbing ones front side (the penis) on another person as they walk by or you walk by them.
1)Dude, I totally just trunk dusted that midgets face.
2) I've been trunk dusting these bitches all night
2) I've been trunk dusting these bitches all night
by Jboma1 October 01, 2013
When one finds an old beer in their car trunk and drinks it. Preferably 6 months old or greater to be considered a trunk lite.
by Must Stank November 29, 2017
Adjective. A female who won't submit to sexual activity.
by MootWatermelon September 27, 2015