On sight opp

An opponent or enemy that is to be attacked, maimed, and or killed at first glance. Commonly abbreviated as OSO or O.S.O

Xio said our poster looked ugly. That bitch is officially an On sight opp

IS THAT XIO OVER THERE ?! That bitch an OSO! GET HER ASS

by avia_ei_simp April 17, 2023

Opp

Overly positive pal

That dude an opp

by Therealopp December 11, 2023

Cy opp

Refering to getting,and or screwing some one over

Guy 1: bro what happened to your face?
Guy 2: i got jumped bro they cy opped me
Guy 1: that sucks

by Specsalt November 11, 2023

Opp

The word opp(s) is short for opposition. When a person is using the word ‘opp’ theyre most likely referring to someone that they dont fw or dislike.

Homie1: “yoo there goes ur bestie”
Homie2: “stop playing bruh, you know that mf a opp”

by clovergng May 28, 2023

Opp

Devin Levy

Girl(1): Wait so who’d you say my ex just got with?
Girl(2): The opp of course, Devin Levy.

by BobSpongeBob December 27, 2023

Opp

Opp is for Opponent. Someone you don’t like. Or someone who’s your enemy. Or anyone who’s going against the crew, gang or friends.

Karen is an opp, she always trying to get us caught up with the police.

by Sjar January 10, 2022

opp

#1 hater, wishing for downfall

Limerent is Seraphixie's biggest opp

by oppnumbawun August 4, 2025