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When you drinking hot coffee and sneeze unexpectedly.
Friend 1: Hey, that looks like a good cup of Joe.

Friend 2: Achooo!

Friend 1: Oh no! Brown Surprise!
by dommydommy December 03, 2018
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2
When two persons are engaged in anal sex, and the receiver poops a little.
"I don't have bum sex any more, not ever since the brown surprise." ~ your dad
by MuslamicRayguns July 04, 2014
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