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Phrase(s): pop one’s cork
1. Fig. to suddenly become mentally disturbed; to go crazy. • I was so upset that I nearly popped my cork. • They put him away because he popped his cork. 2. Fig. to become very angry. • My mother popped her cork when she heard about my low grades. • Calm down! Don’t pop your cork.
McGrawhill's American Idioms And Phrasal Verbs