Meaning of “snap out of sth” - Learner’s Dictionary

snap out of sth

informal phrasal verb with snap uk us /snæp/ verb (present participle snapping, past tense and past participle snapped)

to force yourself to stop feeling sad, angry, upset etc:

He's in a bad mood now but he'll soon snap out of it.

(Definition of “snap out of sth” from the Cambridge Learner’s Dictionary © Cambridge University Press)