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Phrase(s): pin someone’s ears back
1. Fig. to beat someone, especially about the head. • Don’t talk to me like that or I will pin your ears back! • Max wanted to pin back Lefty’s ears for making fun of him. 2. Fig. to give someone a good scolding. • Did you hear him? He really pinned Chuck’s ears back. • He pinned back Chuck’s ears.
McGrawhill's American Idioms And Phrasal Verbs