1) More severe than bull shit. 2) A way of expressing how wrong something is when no other word seems to fit. See also shananagins
Ron: Yeah, I just started dating karen.
John: AH! Bull semen! We fucking broke up 2 days ago!
by S3H September 20, 2008
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Another term for the sports drink gatorade
after the soccer game, jill slammed a bottle of bull semen to rehydrate
by bullsemen22 November 24, 2010
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