parachute vagina 

were a females vagina is so lose,most likely from being fisted one too many times, it resembles a parachute and when the girl walks air goes in it and catches and creates drag.

jessica was watching too much porn and got too into it and fisted her self and got parachute vagina

parachute vagina by picklegirl October 14, 2009

Huge Parachute Vagina (HPV) 

When there are enough layers to ones vagina that you could use it as a wingsuit or a parachute.

That fair queen has a Huge Parachute Vagina (HPV) , all the folds just open up like a parachute when she walks to fast.

Huge Parachute Vagina (HPV) by Balls Mcginty July 19, 2018