The past tense of a cumshot. Used to describe a past cumshot you or someone else had.
I'm telling you, this chick was so hot I cumshat all the way across my room.
by Superspider July 29, 2013
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When you cum and shit at the same time; usually associated with feelings of extreme pleasure. (A play on the word cumshot)
The food was so good a cumshat myself.
by The Pixel Ninja August 29, 2015
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