1. Overpowered
2. Old Penis
"hey man, you are amazing at this game, you are so OP"
"Bruh, have you seen my penis at all? It's not an old penis"
A term used by online gamers to cope when they lose
Ahmed: be careful, Greg, you are not good enough to beat him!
Greg: nah he killed me he is op and needs a nerf
Over-powered or when more simply explained;
Thanos in Infinity War.
Thanos rekd the Avengers crew so bad, he was totally OP!
Somehow the whole original cast for the Avengers Initiative were left unharmed though. 🤷