To have sex with a female so well that you can brag about it.

Intercourse without feelings.
I'm bout to go knock down this chick I met last night.
by Peko April 13, 2006
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Knock-down is a British synonym for Knock-off
Don´t worry, that´s a knock-down (watch)
by abfdteacher January 14, 2010
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To have sex with a female. Phrase Often used in houston tx
Did u knock her down? Yeah I knocked down last night.
by Cedster June 6, 2009
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the process of a woman losing her pregnancy either chemically, or by force.
"Janie got knocked down the other day when she visited the clinic for an abortion."

-"Dude, my brother knocked down his girlfriend yesterday."
-"Oh, she finally got that taken care of at the clinic?"
-"Na, my brother just punched her in the gut."
by apena89 November 5, 2007
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A prank which annoys the neighborhood. A person (anyone) goes up to a random door rings the doorbell then runs to hide behind something and watches the stupidity of the person answering it and repeated every time until the person gets pissed.
''one more kid who does knock down ginger on me gets and whacked ass ''god!''!''
by sweet jesus May 31, 2006
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knocking on someones door and running away to piss them off.
man 1:{knocks on door}
man 2: im coming im comig {gets up and walks to the door to open it}
man 1:{runs away}
man 2:ive been knock down gingered
by moggybiter April 30, 2009
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