Definitions by Idk.what.to.put.as.a.name.here

ot9

"Ot" means "one true" which means that you "stan" someone and the number added next to it indicates how many people ex: ot3, ot4 etc

ot9 can stand for being a fan of 5sos (4 members) and one direction (5 members) ex: "I’m an ot9"