Park the bike

When a female and male or male and male are sleeping in the spooning position the male parks their penis between the crack of their partners ass, similar to bicycles parked in a stand on streets

Otherwise refered to as a builders backside - ie bottom exposing itself from the top of your trousers. Somewhere to Park Your Bike.

It means a really hot guy that's is amazing on bed but makes you watch jarassic park as a porno and gets u to dress up as a monkey and he will ride you " the bike".