A term used to declare that someone has an STD (herpes, etc.) or as a warning to others who may be pursuing someone who is high risk of having an STD.
Jimmy: Hey man, that chick over there asked me back to her place after last call.
Tom: Who? Cindy?!?
Jimmy: Yeah. Why?
Tom: Yo that bitch got guns in the trunk, bruh. She got my boy Dave a couple months back. He was pissing razor blades for a week after a night with her.
Juice (specifically a gallon of Hawaiian Punch) that is purchased and left in the trunk of your car over a period of time for consumption.
On my road trips i never to have to buy anything to drink because i always have my Trunk Juice.
"He's a redhead... I wonder if the carpet matches the drapes?"
"More importantly, does the carpet match the trunk rug?"
"Man, my trunk rug has gone full-on 70's shag... gotta shave that sucka."
To back out of a stressful situation.
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."
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."
The act of having anal sex for so long your balls penetrate as well.
Man 1: Man my dude my balls are sore.
Man 2:Why?
Man 1: Cause I was fucking a chick in the ass and I then my balls slipped in.
Man 2: A JUNK TRUNK?! MY MAN! YOU JUNK TRUNKING SON OF A BITCH!!
1. One who owns your trunk, booty.
2. A popinjay, a pretentious person of authority, a bureaucratic government official.
1. Dam, my trunk boss is going to kill me!
2. Sucks to the world if that guy becomes our trunk boss!