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22.
opp
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
 
23.
OPP
Short for: Other People's Plates. Used in describing someone who only likes to eat what food other people have on their plate or have ordered at a restaurant.
Courtney ordered the chicken milanese, but I know she'll just eat off OPP.

Alex: You want a bite of my salad?

Ashley: Yea, I'm down with OPP!
by Cojoface March 18, 2010
 
24.
opp
You guys are morons.
It mean Open Pussy Policy.
As in a type of relationship.
idiots....
opp u no me
by opp xpert June 22, 2010
 
25.
OPP
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
 
26.
opp
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
 
27.
OPP
Other people's privates
Are you down with the OPP. Yeah, you know me.
by Anonymous February 20, 2003
 
28.
Opp
A Game played by a select few. where everything you say is in opposites
>whats good homie..what you up to?
>>shit man just chillin having a blast at work..OPP!!!
by JO Motha Fucken LU January 12, 2009