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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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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