Bounce \Bounce\, v. i. [imp. & p. p. Bounced; p. pr. & vb. n.
   Bouncing.] [OE. bunsen; cf. D. bonzen to strike, bounce,
   bons blow, LG. bunsen to knock; all prob. of imitative
   origin.]
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   1. To strike or thump, so as to rebound, or to make a sudden
      noise; a knock loudly.
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            Another bounces as hard as he can knock. --Swift.
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            Against his bosom bounced his heaving heart.
                                                  --Dryden.
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   2. To leap or spring suddenly or unceremoniously; to bound;
      as, she bounced into the room.
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            Out bounced the mastiff.              --Swift.
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            Bounced off his arm+chair.            --Thackeray.
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   3. To boast; to talk big; to bluster. [Obs.]
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