What does bicycle rack mean?

bicycle rack meaning in Urban Dictionary

A sex place which a person lies down and the girl rides their pulsating penis like a bicycle, and then park herself down onto their chest--her wet vagina rubbing against their naval and perked boobs on their face. Basically, once the bike trip is finished, the lady places her rack on his face, therefore creating the bicycle rack.

bicycle rack meaning in General Dictionary

a rack for parking bicycles