1 definition by Cowboymac12

Sticking your finger in your girlfriend's ass, and wiping the residue on your own upper lip.

Same thing as a Dirty Sanchez, but instead of giving your female partner the shitstache, you give it to yourself.
Tom was about to give Carla a Dirty Sanchez, but go so caught up in the moment, it quickly became a Dirty Schultz instead.
by Cowboymac12 November 2, 2007
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