trunk junky

A male who is hopelessly obsessed with fat (or slightly plump) asses.

No, she's to thin for him. He's a trunk junky.

by David Drupa March 31, 2006

trunk junkie

Having a very well-defined ass; adjective form of junk in the trunk.

Rosa is a total trunk junkie!
Damn! Did you see that girl? What a trunk junkie!

by Andy November 20, 2005