A girl who gives you head and while doing so hits your balls with her chin.
"I fucked Marry so good last night but damn she's a Slobknocker"
"A slobknocker?"
"Yeah she was deepthroating my dick and she kept hitting her chin on my nuts"
by Andrew Hagen September 02, 2017
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Deano: yo Mo! Guess what
Mo: what's up bro?

Deano: jade gave me head today!
Mo: really?
Deano: yea bro she a slobknocker πŸ˜…
by D3AN2.0 October 04, 2016
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