Snap out of it - Idioms by The Free Dictionary
snap out of it
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snap out of it get out of a bad or unhappy mood. informal
ˌsnap ˈout of it,
ˌsnap somebody ˈout of it (informal) try to stop feeling unhappy or depressed; help somebody stop feeling this way: For heaven’s sake, Ann, snap out of it! Things aren’t that bad! ♢ She wouldn’t talk to anyone for days, but her friends helped snap her out of it.