1 definition by TheDefinist.

Sleeper OP

Usually in reference a playable video game character . The words "Sleeper OP" means that the character is easy to play and over-powered at the same. So over-powered and easy that you could be asleep and still play them well.

Jim;"Jinx is sleeper OP.. Riot need to gut the fuck out of her"
Kathy;"I agree, fuck that bitch."

by TheDefinist. January 23, 2015