Harley Davasson

A sexual act wherein one partner eats the booty of the other, while simultaneously making motorcycle noises, and on occasion, steering the booty side-to-side through turns.

A: How was your weekend dude?
B: Great! I did the Harley Davasson with my partner.

A: Dude, that's sick!
B: Yeah, man! I was totally like,"Aaaghrrrghhaaaaaugh"!