What is German Knuckle Cake?
1.
German Knuckle Cake (noun) A slang term for fisting someone is the ass.
Her asshole was so big I could have fit a German knuckle cake in there.
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2.
Fisting with a vengance. Giving the anal blitzkrieg.
Chris loves to get a German Knuckle Cake for his birthday!
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Random Words:
1.
A women whom you thought was attractive, and frequently made knuckle babies to, until you realized she was indeed a lesbian - and the at..