Top definition
A Fake Mangasim is when a man can't ejaculate after a timely session of deep penetration whilst intoxicated.
‘I was going for gold after getting back from a night on the tiles, could I hell ejaculate so I fake mangasimed. I took her from behind grunted and spat on her back’
by Urban Cowboy Smith April 11, 2011
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The vengeful act of crapping on a lover's chest while they sleep.

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