whilst your partner is on all fours, you insert your thumb into their starfish. Once this is done, you rotate your wrist in a manor which resembles the throttle of a Harley Davidson motorcycle.
So I was banging this chick doggy style last night, and she gushed great volumes when I gave her the Harley Davidson
A person who makes a lot of racket but does not go anywhere. Someone who thinks they are cool but are actually quite sad. Named after the Harley Davidson motorcycle because they make a bunch of racket and don't go anywhere, and often the people that ride Harley Davidson's think they are cool but are actually quite sad, and they have serious homosexuality issues.
Dude 1: Jimmy says his band has a record deal with EMI.
Dude 2: Ya whatever! Jimmy still lives at home with his Mom! What a Harley Davidson!