to insert your finger into your anus, then wipe the shit off onto an unsuspecting person's top lip. kinf of like the dirty sanchez.
by tony February 24, 2004
Get the Shitler Mustachemug. The stripe/s (often resembling the shape of Adolf Hitler's mustache) left on the back of the toilet seat by an inconsiderate defecator
Phil left another shitler mustache on our toilet seat. I don't know whether he's a Nazi or just a regular asshole that doesn't bother to clean up after himself.
by bravestsirrobin June 11, 2015
Get the Shitler Mustachemug.