verb

• To change the direction of motion after hitting an obstacle.
• To move quickly up and then down, or vice versa, once or repeatedly.
• To cause to move quickly up and down, or back and forth, once or repeatedly.
• To suggest or introduce (an idea, etc.) to (off or by) somebody, in order to gain feedback.
• To leap or spring suddenly or unceremoniously; to bound.
• To move rapidly (between).
• (of a cheque/check) To be refused by a bank because it is drawn on insufficient funds.
• To fail to cover (have sufficient funds for) (a draft presented against one's account).
• To leave.
• To eject violently, as from a room; to discharge unceremoniously, as from employment.
• (sometimes employing the preposition with) To have sexual intercourse.
• (air combat) To attack unexpectedly.
• To turn power off and back on; to reset
• (of an e-mail message or address) To return undelivered.
• To land hard and lift off again due to excess momentum.
• (skydiving) To land hard at unsurvivable velocity with fatal results.
• (sound recording) To mix (two or more tracks of a multi-track audio tape recording) and record the result onto a single track, in order to free up tracks for further material to be added.
• To bully; to scold.
• To strike or thump, so as to rebound, or to make a sudden noise; to knock loudly.
• To boast; to bluster.