1. After beating the shit out of someone you insert that phrase.
2. Random word that you enter in anywhere
3. A nuts T-shirt sold a buttigroove campaigning for barack
1. Man 1: Beat the shit out of a nigga Man 2 : On ground. Man 1: Ya wassup niggah OBAMA SAID KNOCK YOU OUT!

2. Man 1: Dude my girlfriend gave me a BJ! Man 2: NO way... OBAMA SAID KNOCK YOU OUT!

3. Hey look at this nuts shirt i bought.... man2: Woah OBAMA SAID KNOCK YOU OUT
by OBAMA SAID KNOCK YOU OUT April 4, 2008
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To steal.
1. "Tonight I'm going to go knock-out a set of Acura Type-R rims for my Civic HF".
by Sim-Dum Gweye September 24, 2003
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to knock someone/something so cleanly out that they are "out da box" and cannot re enter the box for a set period of time generally not exceeding 5 minutes.

this is a pretty good accomplishment to aspire to in your life. "out da box" is not a sweet zone to be in and the person responsible for putting one "out da box" is gonna feel like they really accomplished something.
damn there wuz 6 of em but i knock em out da box youknowhasayuimmmmmm
by BC THE REAL ONE March 14, 2008
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When a person is so annoying that they get you really mad and the only way to stop them doing what they are doing is to give them a single powerful punch to the face which knocks them unconscious, they are now said to be "knocked the fuck out". This is only achieved if it is a single punch which knocks them unconscious.
"Brad was talking so I knocked him the fuck out!"
by PotatoChip May 23, 2003
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This is normally associated with sexual intercourse carried out at a rough and vigorous pace (most commonly doggy-style), although it can be associated with any activity where it is performed with gusto. This means that you did whatever it was you were doing with particular enthusiasm and/or speed
Good morning Casper. I had a cracking time knocking the back out of Lady Clementine Smyth last night

or

Gadzooks, I could certainly knock the back out of a few glasses of Moet this evening
by Cockles August 29, 2006
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Used appropriately, "knock the sand out" is an alternative way to tell a guy when he is being a pussy and needs to man-up. Origins of the original phrase "knock the sand out of your vagina..." can be found on an early season episode of South Park. (Cartman speaking to Kyle)
ESPN Reporter: Vince Young is being kept overnight at Vanderbilt medical center, his family and teammates fear he may be suicidal after today's loss and season-ending thumb injury which will need surgery.

Titans fan: Wow, VY... KNOCK THE SAND OUT!!!
by Tennessee_Webster November 23, 2010
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