Top Definition
The extremely disgusting sexual position where the male is just about to ejaculate, but all the while proceeds to shit all over his partner and himself. Usually it is because of failure to contain bowel movements during sexual excitement.
Joe: Man, I ate too many of those burritos you gave me last night and got diarrhea. The Russian Oilspill I did while i was f-ing that girl was horrible.

Bobby: Hah! Well I put laxatives in them since you showed me sourmath last week.

Joe: FUUUUUUUUUU-
by APpubes February 23, 2011

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