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Phrase(s): pinch something off
Go to pinch something off (of) something and pinch something off, Phrase(s): pinch something off (of) something [and] pinch something off
to sever something from something by pinching. (Of is usually retained before pronouns.) • Pinch the buds off the lower branches so the one at the top will bloom. • Pinch off the lower buds.
McGrawhill's American Idioms And Phrasal Verbs