A uncomplicated and cutting expression, which plainly means "Shut the Fuck Up"
"My fiancee is demanding I go to bed before 12"

"Tell the bitch to pipe down..."
by MikeWain September 1, 2008
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A polite way of telling someone to shut up.
Could you please pipe down, I'm trying to do my homework!
by History! August 4, 2017
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Another way of saying "be quiet" or "shut up", except it is more firm and usually more effective.
Tina: Parker, PIPE DOWN! I am trying to do my homework!
Parker: No Tina, YOU pipe down! I am too busy being crazy and getting turnt!
by The_Tru_Baller November 13, 2015
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Abran-"OMG the whole time we were in the hottub i was pipeing down that broad and you guys didnt even know"
Th3Mick-"Fuck thats busfare!

Girl-"so you gonna come pipe me down"
Th3Mick-"hell yea u dont have to tell me twice"
by Th3M1ck September 16, 2007
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To quickly and effectively silence a particularly annoying individual before the can finish their sentence
Person a): "You have the right to remain..."

Person B): "Pipe down!"
by exoncmgc February 12, 2019
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Physically pummeling your significant other with a pipe while having intercourse
"hey babe you ready to get piped down?"
"Sure but what do you mean by piped down?"
*Looks down at a slender 10ft pvc pipe
by CLEANUP ON AILE 25 August 24, 2021
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