Top definition
a lesbian; a dyke; a girl who likes pussy.
man, i tried to play stinkfinger with traci behind the deep fryer during our break, but i found out she is a twatknocker.
by the big dog April 30, 2006
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2
1. To describe two consenting women involved in the bumping of uglies. 2. Agressive vagina on vagina sex (twat knocking). 3. Slapping or smacking the vagina (twat knock).

"Damn... Those twat knockers look pretty bruised up."

"My tongue needs a rest. How about a twat knock?"
by yukoncornelius April 09, 2003
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3
when your man is going down on you and once he looks up to watch you cum you punch him square in the face.
"Did you see Matt today ? his face is all busted; I bet his wife Twat-Knockered him"
by singletracklife June 10, 2016
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4
someone who is incredibly annoying or is just terrible at doing simple things such as everyday tasks.
Guy 1 "How do I-"
Guy 2 "YOU JUST PUT IT IN THE MICROWAVE YOU TWAT KNOCKER!!!!"
by knockknockknock March 11, 2014
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