1. To strike or thump, so as to rebound, or to make a sudden noise; a knock loudly. Another bounces as hard as he can knock. (Swift) Against his bosom bounced his heaving heart. (Dryden)
2. To leap or spring suddenly or unceremoniously; to bound; as, she bounced into the room. Out bounced the mastiff. (Swift) Bounced off his arm-chair. (Thackeray)
3. To boast; to talk big; to bluster.
Origin: oe. Bunsen; cf. D. Bonzen to strike, bounce, bons blow, LG. Bunsen to knock; all prob. Of imitative origin.
1. A sudden leap or bound; a rebound.
2. A heavy, sudden, and often noisy, blow or thump. The bounce burst open the door. (Dryden)
3. An explosion, or the noise of one.
4. Bluster; brag; untruthful boasting; audacious exaggeration; an impudent lie; a bouncer.
5. (Science: zoology) a dogfish of Europe (Scyllium catulus).