The Flying Johan is when a man sits on a really fat woman during a sexual act, and the woman waves and flaps with her boobs and fat, so it gives a sound of a flying by chopper.
"Lets make the Flying Johan!" / Have you heard the chopper which flew over the house last night? Oh it wasn't a chopper, I made The Flying Johan!.
by FunnyDummy May 15, 2019
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