Definitions of bounce:

• noun:   the quality of a substance that is able to rebound
• noun:   rebounding from an impact (or series of impacts)
• noun:   a light springing movement upwards or forwards
• verb:   refuse to accept and send back

  Example: "Bounce a check"

• verb:   come back after being refused

  Example: "The check bounced"

• verb:   hit something so that it bounces

  Example: "Bounce a ball"

• verb:   eject from the premises

  Example: "The ex-boxer's job is to bounce people who want to enter this private club"

• verb:   spring back; spring away from an impact

  Example: "The rubber ball bounced"

• verb:   move up and down repeatedly
• verb:   leap suddenly

  Example: "He bounced to his feet"