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?