A person who is ready to snitch on you all the time.
S: Yo dawg Charnpreet told Cameron everything.

V: Yeah bro she an opp forreal.
by yuhhpapa May 10, 2019
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Many popular definitions of OPP include:
Other People's Property
Other People's Privates
Other People's Penis
Other People's Pussy

but in a VH1 presentation of the 100 Greatest Hip Hop Songs, Treach of Naughty by Nature states
"OPP can stand for anything, the first O is Other and the second P is People's but the last P can stand for anything."
Other People's P_______
"You down with OPP?"
"Ya you know me!"
by Hip Hop Lover October 18, 2008
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O is for other P is for people scratchin temples the other P not that simple
It's sorta like another way to call a cat a kitten
It's five little letters that are missin' here
You get on occassion at the other party
As a game 'n it seems I gotta start to explainin'
You ever had a girl and met her on a nice hello
You get her name and number and then you feelin' real mellow
You get home, wait a day, she's what you wanna know about
Then you call up and it's her girlfriend or her cousin's house
It's not a front, F to the R to the O to the N to the T
It's just her boyfriend's at her house
YOU DOWN WITH OPP?
-NaUgHtY bY NaTuRe
by PIMP SLIM TIM June 8, 2005
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A common misspelling of the exclamation "oops!"
Opps! I tYpOed agAiN!!! lololololo
by Jasper February 4, 2004
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The stupid geeked up way of saying oops.
Fucker: opps!
Smart guy: Don't spell it like that, fuckface!
by Darn it March 13, 2006
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a city in lower Alabama. Located in Covington county, Opp was founded in 1901 and is named after Henry Opp. Henry Opp was a lawyer who successfully won a case allowing L & N Railroad to build a turnaround point in what is now Opp. Opp, AL has a population of around 7000. It is home to the Rattlesnake Rodeo, an annual event that draws some 30,000+ around the first weekend in April.
I was born in Opp, Alabama.
by cleehbo February 3, 2010
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Acronym for "Ontario Provincial Police"
"I was pulled over by an OPP cruiser yesterday."
by Phuyuck '74 January 21, 2004
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