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A sexual act in which one party defectes on the freshly shaven pubic area on the opposite party, using the feces as aftershave. Then, the defecating party has intercourse with the secondary party...with a sombrero on.
Joe: Dude! I finally did it!

Jim: What's that?

Joe: I finally gave Jill a Brazilian Sundae!
by Buhdeedledeedle May 17, 2011