Anyone in competition or against you.

Mainly used and originated in chicago
All i see is opps in here
by trip93 February 07, 2014
1. One who is often reffered to as a "snitch" or "taddle tale".
Person one: Hey, Dalia told the police your the one who robbed the bank down the street.
Person two: MAN.!!! That opp is going to me back in a cell.
by That one guy everybody knows December 15, 2013
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 02, 2010
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
Other people's Portfolios

It means pulling a Bernie Madoff. Jacking the elderly, infirm, widows, or just middle class America. Its when hedge funds and investment banks leverage at stratospheric levels of other people's portfolios in order to achieve above average market returns, but don't anticipate and insure for contingencies and black swans.
Wall Street Executive: Look, we need those bonuses so that our trophy blond shiksa wives won't leave us for the next richer asshole.

Wall Street Executuve #2: Okay, well gotta' use OPP and leverage the shit out of it.

both high five at the end and slap each others asses.
by YatM July 24, 2009
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
-NaUgHtY bY NaTuRe
by PIMP SLIM TIM June 08, 2005
To be down with; To bang a chick or dude that has a serious boyfriend or husband. To bang a filandering housewife or husband; an adulterer.
I banged this hot chick last night cause her husband was out of town.

Whoa, you are a wicked shitlicker and down with opp.
by nick May 06, 2005

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