tits. boobs. yk those things (some) women (well men have them too sometimes, and other genders i dont judge) have on their chests.
p1- wow olivia has some big knockers!
p2- i know right!
(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!
Guy 1: You shouldn't trust that guy.
Guy 2: Why?
Guy 1: He's just a run-of-the-mill knocker.
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
A bunch of things to describe someone
Either negative or positive
After drinking a whole bottle of vodka, she was feeling knockers