the act of giving someone a mustash wiping menstral blood on the upper lip of the other person. This can be done to a man or a woman but is typically done to a man, by a woman, as a form of revenge, after she has been on the receiving end of a dirty sanchez.
That bitch gave me a Yosemite Sam last night and said, "that's for giving me a dirty sanchez two weeks ago.
by Mr. Thomas January 11, 2006
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