(In Baltimore, specifically), cops that work in the street-level narcotics unit. The name comes from the say they knock in doors to serve search warrants.
Yo, the knockers are out...hide your stash!
by kjMD September 6, 2020
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Guy 1: You shouldn't trust that guy.
Guy 2: Why?
Guy 1: He's just a run-of-the-mill knocker.
by Comedy_Camel August 21, 2016
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a male whore who knocks a lot of women up
person 1:you see that bitch over there
person 2: yeah hes a knocker got 5 kids already

person 1: thats mental hes only 17
by pikapac May 4, 2020
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A bunch of things to describe someone
Either negative or positive
Cameron is such a knocker
by Knocker101 May 13, 2021
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After drinking a whole bottle of vodka, she was feeling knockers
by Taishokukitten November 23, 2016
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