Top definition
The act of a man having sex with a woman while she is performing a headstand. During this position his penis is inserted into her anus while the man defecates into her vagina.

This is difficult and will most likely cause his feces to enter the vagina while simultaneously dripping down her body and face like chocolate on a cake.
Last night at the orgy I saw someone doing the Upside Down Brown Cake so I played with myself performing a Sleeper Hold because it was so hot.
by FattUnit April 11, 2011
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