Top Definition
slang for a penis.
hey luke do you fancy knocking knerr?(wanking) yesterday i saw conners little knerr
by knerrknocker777 July 22, 2009
10 Words related to knerr
A person who thinks that they are cool when they actually aren't.
Dude you are such a knerr.
by Cire77 April 06, 2011

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