oh that's not
In real, traceable use. Part of the curated seed collection; community review is coming.
Slang used to react to a cringe-worthy, offensive, or misguided statement, or to express immediate disapproval of a situation. The phrase originated from a viral August 2015 episode of the American talk show The View, where co-host Rosie Perez uttered the phrase to interrupt and correct a controversial remark about immigration made by guest co-host Kelly Osbourne.
Register: informalEra: 2020s
Sources & notes
Adapted from Wikipedia “Glossary of 2020s slang” (CC BY-SA 4.0, retrieved 2026-07-30). US Gen Z / internet usage.
Common questions
What does “oh that's not” mean?
Slang used to react to a cringe-worthy, offensive, or misguided statement, or to express immediate disapproval of a situation. The phrase originated from a viral August 2015 episode of the American talk show The View, where co-host Rosie Perez uttered the phrase to interrupt and correct a controversial remark about immigration made by guest co-host Kelly Osbourne.
Is “oh that's not” formal or informal?
oh that's not is generally informal.