1. dope up give a narcotic to
  2. top-up an amount needed to restore something to its former level
  3. tip-up constructed so as to tip up or out of the way
  4. type AB the blood group whose red cells carry both the A and B antigens
  5. type B the blood group whose red cells carry the B antigen
  6. rope up attach to one another, for safety
  7. double up bend over or curl up, usually with laughter or pain
  8. pop up appear suddenly or unexpectedly
  9. hype up get excited or stimulated
  10. pipe up utter a shrill cry
  11. wipe up to wash or wipe with or as if with a mop
  12. dopey having or revealing stupidity
  13. step up increase in extent or intensity
  14. mop up to wash or wipe with or as if with a mop
  15. hop up make more powerful
  16. sop up take up as if with a sponge
  17. bopeep a game played with young children
  18. step-up the act of increasing something
  19. do up wrap for decorative purposes
  20. pop-up a short high fly ball