What is Knock Knock?
1.
A fun game in which the participant stands outside a closed door where someone is sleeping. The player pulls out his penis and begins to masturbate. He must stand close enough to the door so his hand knocks on the door as he masturbates. The aim of this fun game is to get off before the sleeping occupants wake up and come to see what all the noise is. While the player technically loses if the occupant comes out of the room too early, the player may be able to get sex out of the occupant should it be an attractive female.
Guy 1: Dude I'm bored. What can we do?
Guy 2: Well we could always play knock knock.
Guy 1: Alright but this time I'm not going to my mom's door.
Guy 2: Fair enough.
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2.
Popular children's game derived from William Shakespear's "Macbeth" - Act 2, Scene 3, line 7, "Knock, knock! Who's there, in th'other devil's name?.."
Knock knock?
Who's There?
Hooh.
Who hooh?
No im not an owl, im Hooh.
3.
To Grab Somebodies attention...slang for pay attention
Knock Knock mothafucka when you see me on da block
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4.
an insult or a threat that one tells to someone else. once the person who replies with "who's there?" the ejoke abruptly ends with the answer "fuck off" many opther endings can be used to make this insult more interesting or more focused on the insultee.
"hey, knock knock"
"who's there?"
"fuck off!!!"
"hey knock knock"
"who's there"
"a fuckin dick thats about to get their ass kicked"
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5.
A child hood game that often makes no since what so every. Such as this one that i heard just yesterday.
Knock knock, whos there, bannan, bannan who, arent you glad i didnt say orange?
Noo! i wish you wouldnt have say anyhting at all!
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6.
when you just don't care what the hell some one is saying.
Deminstrate this by knocking on an object twice and saying knock knock.
" Knock, Knock"
" Whos there?"
" I don't care"
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7.
A general phrase describing anything, in any situation... originated from "knock knock messenger."
1) Man, that's just... "knock knock."
2) Fucking knock knockin' bullshit!
3) That's one knock knock hat.