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general::
Phrase(s): bounce something off (of) someone or something
1. Lit. to make something rebound off someone or something. (Of is usually retained before pronouns.) • She bounced the ball off the wall, turned, and tossed it to Wally. • She bounced the ball off of Harry, into the wastebasket. 2. and bounce something off Fig. to try an idea or concept out on someone or a group. (Of is usually retained before pronouns.) • Let me bounce off this idea, if I may. • Can I bounce something off of you people, while you’re here?, Phrase(s): bounce off ((of) something)
to rebound from something. (Of is usually retained before pronouns.) • The ball bounced off the wall and struck a lamp. • It hit the wall and bounced off.
McGrawhill's American Idioms And Phrasal Verbs