bob

verb9

1. •
   to move up and down a little while staying on top of water

   • The cork bobbed gently in the calm water.
   • The ball, which we had thought lost, suddenly bobbed up out of the water.
2. •
   To move (something) as though it were bobbing in water.

   • I bobbed my head underwater and saw the goldfish.
3. •
   To cut (hair) into a bob haircut.

   • I got my hair bobbed. How do you like it?
4. •
   To shorten by cutting; to dock; to crop.
5. •
   (slang) To perform oral sex on someone.

   • She bobbed on his knob.
6. •
   To strike with a quick, light blow; to tap.

   • And if any man hapned, by longe sittynge, to slepe, or, by any other countenance, to shewe him selfe to be weary, he was sodaynly bobbed on the face by the seruantes of Nero, […] — 1531
7. •
   To curtsy.
8. •
   To bobsleigh.
9. •
   Synonym of blob (“catch eels using worms strung on thread”).

   • After they had had supper Frank said, Do you remember those men whom we saw near Norwich, who sat in small boats all the night long, and with a line in each hand, bobbed for eels? — 1876

noun23

1. •
   A bob haircut.

   • Whether your hair covers your head in short curls, a pert pixie cut, smooth braids, or a long bob, do yourself a good turn by finding the styles which are most becoming to you. — 1955
2. •
   A bobbing motion; a quick up and down movement.
3. •
   A curtsy.
4. •
   (slang) An unspecified small amount of money.

   • I could have saved myself a few bob buying it somewhere else.
5. •
   (slang, old-fashioned) A shilling.

   • One of the bottlenosed fraternity it was went by the name of James Wought alias Saphiro alias Spark and Spiro, put an ad in the papers saying he'd give a passage to Canada for twenty bob. — 1922
6. •
   (slang, old-fashioned) A 10-cent coin, ten cents.
7. •
   A bobsleigh.
8. •
   Any round object attached loosely to a flexible line, a rod, a body part etc., so that it may swing when hanging from it.

   • Ecod! I have got them. Here they are. My cousin Con's necklaces, bobs and all. — 1773
9. •
   The dangling mass of a pendulum or plumb line.
10. •
    A bobber (buoyant fishing device).

    • Or yellow bobs turn’d up before the plough / Are chiefest baits, with cork and lead enough. — 1613
11. •
    A short line ending a stanza of a poem.
12. •
    A particular style of ringing changes on bells.
13. •
    The docked tail of a horse.
14. •
    A blow; a shake or jog; a rap, as with the fist.
15. •
    The short runner of a sled.
16. •
    Any of various hesperiid butterflies.
17. •
    A graphical element, resembling a hardware sprite, that can be blitted around the screen in large numbers.

    • The bob list determines the drawing priority […] — 1986
18. •
    A small wheel, made of leather, with rounded edges, used in polishing spoons, etc.
19. •
    A working beam in a steam engine.
20. •
    Clipping of shishkabob.
21. •
    (no longer used) The refrain of a song.

    • Ay, Ay, and Then to Bed, says the Bride. This Girl did but speak the Widows Mind; for let Flesh and Blood pretend what it will, to Bed, to Bed, will be the Bob of the Song. — 1692
22. •
    (no longer used) A knot or short curl of hair; also, a bob wig.

    • A plain brown bob he wore. — 1737
23. •
    (no longer used) A jeer; a sharp jest or taunt.

    • Hee, that a Foole doth very wisely hit, Doth very foolishly, although he smart, Seeme senselesse of the bob. — 1598

adjective1

1. •
   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.

noun2

1. •
   (slang, humorous) Vibrator (device designed to stimulate a woman's genitals).
2. •
   Acronym of bur oak blight (“a fungal disease of plants”).

noun1

1. •
   A generic male person.

   • It's so simple, even Bob from accounting could do it.