What is Dirty German?
1.
n. A "moustache" given to another person by applying moustache wax to a finger in secret, then dragging the waxed finger across the person's upper lip. See: Dirty Sanchez
"I like the way your moustache smells." "Do you want a Dirty German?"
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2.
Fornicating with a sweaty
"Dude, when that bitch passed out I gave her a dirty German!"
"Sweet!"
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3.
Derived from the roots of the infamous Dirty Sanchez, the Dirty German is a smuge of shit on the upper lip in the form of a Hitler moustache.
After receiving a Dirty German she proceeded to shoot herself in the face.
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4.
a gay engineering teacher who molests little children and wears spedos to the beach
Watch your children around that dirty german