1 definition by leftlanecruzer

mastadon

an enormous penis with lots of shaft hair. often mistaken for the trunk of a woolly mammoth.

(2 guys is a locker room)

Guy 1: hey bro, why is your left leg so much harrier than your right leg?

Guy 2: dude, you are seein it from a bad angle. thats not my left leg. its my third leg.

Guy 1: whoa! thats a mastadon!

by leftlanecruzer April 24, 2011