A woman you wouldn't typically take home but you're too inebriated to know better. Then in the morning you put her in the trunk so nobody sees you with them.
by Socially Unacceptable May 31, 2016

by sc: ryannebs February 23, 2019

A trunk beer is a rare form of beer, which for reasons passing understanding, has been aged (forgotten about) in a friend’s trunk only to reappear and become highly desirable when booze is scarce. Common trunk beers include Miller Lite, Bud Light, Keystone Light, and PBR.
Hatham showed up late to the game and forgot beer so we had to break into a fresh case of trunk beer Weston had in his car.
by John Skinz December 18, 2012

When you go diving up an ass and you find something there... (eg. poop, guinea pigs, keys, teeth, wallets, etc.)
I was gonna go diving up Sofias ass but I heard from nick she had a chunk trunk, so I ain't about that no more, knahmean?
by mashblastsnagger February 10, 2015

The act of intercourse in the back seat of a car while you have 2 friends in the trunk the girl doesn't know about.
Mike and Nick were in the trunk while Braden railed a girl in the backseat without her knowing, he performed the trunk slayer.
by Kobe Marchand February 14, 2012

by Rufino Jay November 27, 2009

by don moore September 8, 2006
