Low grade vehicles with add-ons and horrible paint jobs that cost more than the vehicles worth, making it look like a decked out lawn mower.

a.k.a. lawnmower car
Guy 1: dude there are so many trapper keeper cars here, i dont get it

Guy 2: wtf is a trapper keeper car?

Guy 1: dont roll up next to me in your honda painted 5 different colors with splash graphics and a cannon for an exhaust tip and rev at me

Guy 2: lmfao
by A.F.B. August 9, 2010
Get the trapper keeper car mug.