Definitions by emcfm

trunkboxing 

the act of smoking (particularly marijuana) in the trunk of one's car and letting the fumes accumulate in the small space in order to obtain optimum intoxication; to hotbox one's trunk

"Pass me the bong and pop the back, I'm trunkboxing this shit."

-"Yo let's roll."
-"Can't. Jack is still trunkboxing the back."

trunkboxing by emcfm November 9, 2010