1) Pinning something or someone against something else, usually the ground.

2) Pressing a key on a keyboard and not letting go, either to achieve some effect or to do so uncontrollably and to no end.

3) Taking care of oneself and/or one's surroundings in another's absence.
1. Hold that mother fucker down while I bust a cap in his ass.

2. Hold down the Shift Key to type in CAPS.

3. What's up, America? G.W. holdin it down in the big D.C. ya heard.
by Eric Simmons January 1, 2004
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to protect someone, get their back, or otherwise support them. Get up and hold it down.
"we could wild through compton;
see real bloods, real crips;
and i'm gone always hold you down
that's real shit"
-the game
by xingyun April 29, 2005
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verb - the act of having someone's back, or watching out for a person(s) safety -
Those niggas wanted to kick my ass in the club, but DeMontrell was there to hold me down.
by Tru-damie August 24, 2006
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Phrase that refers to a popular Vine video which took a phrase from a YouTube video of a women explaining her excuse for a crime she was being accused of. Now generals of the public use it as a joke for when they are accused of doing something wrong.
Teacher: Did you copy Jims test
Jo: Yea ho, who's askin

Teacher: Principles office now Jo
Jo: (walking out the door) P.O.P, hold it down.
by canana banana January 7, 2015
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P.O.P. stands for pussy over penis and hold it down means to represent.

Lesbians represent!
Donna: Momma I love you!
Donna: P.O.P. HOLD IT DOWN!
Donna:Pimp squad baby 4lyfe!
by clicker967 January 8, 2015
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Verb -- a term used to surreptitiously convey over a recorded phone line the need to have someone add funds to a prisoner's commissary account
"Yo, tell my moms she needs to hold me down so I can buy some Kools"
by RealClose March 1, 2017
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the guys cant hold the girls down jus cuz we gurls
guys call gurls sluts when they do stuff wit guys but if they do sumtin wit a gurl they get called a PIMP that aint right
they cant hold us down
by booty October 7, 2003
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