1. ball up make a mess of, destroy or ruin
  2. ballup something badly botched or muddled
  3. belly-up financially ruined
  4. bellhop someone employed to carry luggage and run errands in a hotel
  5. pull up remove, usually with some force or effort
  6. pull-up an arm exercise performed by pulling yourself up on a horizontal bar until your chin is level with the bar
  7. blowup a violent release of energy caused by a chemical or nuclear reaction
  8. pal up become friends; act friendly towards
  9. ball boy a boy who retrieves balls for tennis players
  10. blow up fill with gas or air
  11. bellboy someone employed as an errand boy and luggage carrier around hotels
  12. pile up arrange into piles or stacks
  13. play up move into the foreground to make more visible or prominent
  14. balboa the basic unit of money in Panama; equal to 100 centesimos
  15. pileup multiple collisions of vehicles
  16. bell buoy a buoy with a bell on it
  17. Balboa Spanish explorer who in 1513 crossed the Isthmus of Darien and became the first European to see the eastern shores of the Pacific Ocean (1475-1519)
  18. balls-up something badly botched or muddled
  19. bullyboy a swaggering tough
  20. belly whop a dive in which the abdomen bears the main force of impact with the water