COME OFF IT!, COME OUT OF (ONE’S) SHELL, COME OUT SMELLING LIKE A ROSE: American English Idioms #46
COME OFF IT! In this idiom, the phrase “come off it” is a colloquialism that indicates a request for someone to stop deceiving themselves. It is often accompanied by a rhetorical question, inviting the person to stop denying the truth or to admit that they are wrong. The phrase come off it is an idiomatic…