opp
Opp (noun) means an enemy or rival, especially a member of a rival gang or crew; used mainly in drill, rap and street slang, and jokingly in wider online use. Example: “He said he couldn't go to that estate because it's full of opps.”
How to use opp
Learner’s notesIn plain EnglishSomeone on the other side, an enemy.
Slang; strongly associated with drill and street culture, and now widespread as jokey internet slang.
Do not confuse it with 'op' meaning operation, or with 'OP' meaning original poster on a forum.
Trace the full origin ↓Fill the gap
Can you complete this real example?
He said he couldn't go to that estate because it's full of _____.
Etymology
A shortening of 'opposition' or 'opponent'. The gang sense spread through Chicago drill music and then UK drill; some users also connect it to 'opposing police', but the shortening from opposition is the straightforward account.