An act which is the inverse of masturbation; namely, when a person has sex with everyone else in the world but themself.
Bystander: “What’s he doing in that bathroom?”

Sexpert: “Could me more than masturbating…possibly reverse masturbation?”
Bystaner: “Noone is safe!”
Sexpert: “Reverse masturbation: it will be end of us all.”
by Triggered To Death June 22, 2020
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