Top Definition
Right before ejaculation, the male spreads his legs, bends his knees, grabs his member with both hands, and yells "Kyaaaaah" at the top of his lungs while ejaculating.

May or may not actually involve sex.
I gave Cathy the Dirty Samurai last night. Gotta clean the carpet now.
by Bubbabobobbrain July 22, 2008
5 Words related to Dirty Samurai

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