Bicycle Sheet

The act of sitting on someones face butt naked with your ass on there mouth and your nuts being separated by the other persons nose, which resembles sitting on a bicycle seat.
But you must pedal with your feet and hold your arms out as if you are actually riding a bicycle.

Dude the other day i was going in for the t-bag and i slipped and full on bicycle sheeted on there face. my nuts were all like spread eagle.

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