(n) a particularly artistic variation of the Dirty Sanchez. After reaming a girl's asshole, you pull out your penis and commence giving her the traditional shit moustache with your feces-covered tool, but in this case the fecal material is just runny enough for it to run down either side of her mouth, making a snappy-looking shit goatee.
Bucky gave Wanda a Fu Man Sanchez on the second night of their honeymoon.
by Blenderhead71 March 06, 2007

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