Bob

1. (v) (intransitive) To move gently and vertically, in either a single motion or repeatedly up and down, at or near the surface of a body of water, or similar medium. 2. (v) (transitive) To move (something) as though it were bobbing in water. 3. (v) (with on) To perform oral sex on someone. 4. (v) To curtsy. 5. (v) To strike with a quick, light blow; to tap. 6. (v) (intransitive) Synonym of blob (“catch eels using worms strung on thread”). 7. (n) A bobbing motion; a quick up and down movement. 8. (n) A curtsy. 9. (n) A bobber (buoyant fishing device). 10. (n) Any of various hesperiid butterflies. 11. (n) A bob haircut. 12. (n) Any round object attached loosely to a flexible line, a rod, a body part etc., so that it may swing when hanging from it. 13. (n) The dangling mass of a pendulum or plumb line. 14. (n) The docked tail of a horse. 15. (n) The short runner of a sled. 16. (n) A bobsleigh. 17. (n) A small wheel, made of leather, with rounded edges, used in polishing spoons, etc. 18. (n) A working beam in a steam engine. 19. (n) A particular style of ringing changes on bells. 20. (n) A blow; a shake or jog; a rap, as with the fist. 21. (n) A short line ending a stanza of a poem. 22. (v) (transitive) To cut (hair) into a bob haircut. 23. (v) (transitive) To shorten by cutting; to dock; to crop. 24. (v) To bobsleigh. 25. (n) (Australia, dated slang) A 10-cent coin. 26. (n) (slang) An unspecified amount of money. 27. (n) (computer graphics, demoscene) A graphical element, resembling a hardware sprite, that can be blitted around the screen in large numbers. 28. (n) (obsolete) A knot or short curl of hair; also, a bob wig. 29. (n) (obsolete) The refrain of a song. 30. (n) (obsolete) A jeer; a sharp jest or taunt. 31. (n) (Kenya, slang; UK and Australia, historical, dated) A shilling. 32. (n) (humorous) Vibrator (device designed to stimulate a woman's genitals). 33. (adj) (philately) Back-of-the-book; denoting those stamps in a catalogue that are not used for the payment of regular postage fees, and are displayed separately in the catalogue after that listing; the division between these two groups varies with the publisher. 34. (n) A diminutive of the male given name Robert. 35. (n) A generic male person. 36. (n) (cryptography, physics) The person or system receiving a message or signal from a source conventionally known as Alice. 37. (n) Clipping of shishkabob. 38. (n) Acronym of bur oak blight (“a fungal disease of plants”). [A disease of the bur oak (Quercus macrocarpa) caused by a Tubakia fungus.]