An extension of the asshole that has an inverse relationship with the penis like a slinky, where the anus is protruding and the penis is flacid, or the penis is erect and anus is retracted. In relaxed state the anus appears prolapsed.
by Your fly is open November 21, 2017

Prolapse rectum skin that can transfer from the rectum to the penis to create penile elongation. Essentially it’s a back and forth slinky effect from rectum to penis.
by That Wench November 21, 2017

An extension of the asshole that has an inverse relationship with the penis like a slinky, where the anus is protruding and the penis is flacid, or the penis is erect and anus is retracted. In relaxed state the anus appears prolapsed.
by Your fly is open November 21, 2017
