It means exactly what it seems. A simple and common proverbial phrase, arguing what goes up must come down.
The example below is an except from 'Human Traffic' (1998), an independent British film said by character Jib.
What goes up must come down, and down, and down. Everyone looks ill at the end of the night. All have lost the power of speech, desperately avoiding eye contact. Your new soulmate, that you have been talking cod shit to for the past five hours about the story of creation or the fourth Star Wars film, is now a complete stranger.
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Dangerino neighborino, Iโm coming out of the closet. I hope you feel better dude.
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It is a sentence that villains or supervillans use when their evil plan is coming into effect (kinda self explanatory don't you think?) Usually used with Muahhahahaha
"My evil plan is now coming into effect!" Muahahahahaha
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An expression referring to a married couple having sex while their kid is at a friend's house, or at school, or a sleepover, etc.
Fish: Dude what happened?
Mike: I walked in on my parents having sex and my mom looked at me and said, "When the cat is away, the mice will come out and play."
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A medical definition used by doctors to refer to any really embarrassing condition. Can also be used in the case of any accident involving damage to the genitalia.
Doctor! Oh my god you have to come see this! This kids has his penis caught in his zipper!
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A white girl asking a big black guy to come do 69 on her and cum on her tits
White girl: daddy come fuck me in the butt lol bitch
Black guy: ight hoe
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A phrase to be implemented, usually from one bloke to another, when a man can overcome the suspect defenses of a witless woman and cajole her into coitus.
Shawn: "Hey man did you make any headway with that Potbelly cashier?"
Slim: "Headway? I totally banged her. It's rather hard for a deaf woman to hear an assassin coming."
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