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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Commonly called 'the short strokes' - - this is the stage of sex where you have been holding your nut for a while until she's been fucked silly, then you assault that thing in a frenzy; and you are digging that out deep, deep, deep - - - slamming into the bottom of that pussy with them short strokes for the ten or twenty minutes it'll take to get your nut. If you do it right, you can get that snapper stinging good.
"Yo, homey, check out the Betty"
" Oooeee, Clyde, i'd knock the bottom outta that one"
by Bohicachief March 5, 2021
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referring to sex.. to also beat it up.. when the sex is so damn good..It feels like the bottom is gettin knocked out the pussy. preferrably with a huge dick.
giirrrll. he knocked the bottom outta my pussy last night
by HOPESCRX October 16, 2003
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The phrase commonly used on friday movies when someone gets their ass kicked.
by John Spartan November 22, 2003
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