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Other People's Property. A woman who is already married, so you can't (legally or morally) fuck her.
Mrs. B. is married to a wealthy doctor. I'd sure like to get down with OPP.
by GuidoPosse69 January 31, 2005
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Opp means opponent.

Plural: Opps - Opponents

/awh-puh/

You would call someone that’s an enemy an opp.
Opp it’s self originated in Chicago, and is mainly used by Americans but is known throughout the world.

In British English this is referred to as a paigon.
“You were chatting shit about my cousin you’re a opp.”
by welcometotheastcoast December 18, 2020
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Early 90's hip hop slang, popularized by Naught By Nature. In the song, O.P.P. stands for "other people's property" but colloquially it's known as "other people's pussy." This is inferred by the song lyrics and the general pondering of one being willing to cheat on their significant other.
"You down with O.P.P.? Yeah you know me!"
by Nerd_Incognito September 23, 2020
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Opp means a rival gang or enemy
Why did james get bricked?
Im pretty sure he was at his opps block.
by Yoyokeepitup September 22, 2018
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Acronym for Orleans Parish Prison. In new orleans, LA
Man i had to sit in opp for 3 months on that murder charge!
by Chi-Chi January 29, 2004
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Known as Wade Michael Lee "The McNugget" GoodRider, you can call him shmeeb too, you can never bust his spirit tho...
Damn dude, you are such an OPP
by daylen french January 10, 2017
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