Someone who snitches or tells behind closed doors
Cop: so who sold you the drugs
Sam:it was Jacob
Jacob:Sam you’re such an opp
Enemy or competition, usually affiliated with gangs
“I don’t care how long it take to get a opp back, all my niggas outside steak bitch we outback”
-Nicki Minaj ft lil baby “do we have a problem”
OPP- meaning as a rival gang member. A shortened version of "opposite" Get it now?
Dat opp yute better shut up before he gets banged
opp means opposition also meaning someone who is against you or you are aainst
similar to an enemy
you know i be shootin at them opps
you know 6ix9ine aint nutin but an opp