Bob

a short, jerky motion:
a bob of the head.
to move quickly down and up:
to bob the head.
to indicate with such a motion:
to bob a greeting.
to make a jerky motion with the head or body.
to move about with jerky, usually rising and falling motions:
The ball bobbed upon the waves.
bob up, to emerge or appear, especially unexpectedly:
A familiar face bobbed up in the crowd.
a style of short haircut for women and children.
a docked horse’s tail.
a dangling or terminal object, as the weight on a pendulum or a plumb line.
a short, simple line in a verse or song, especially a short refrain or coda.
Angling.

a knot of worms, rags, etc., on a string.
a float for a fishing line.

a bobsled or bob skate.
Scot. a bunch, cluster, or wad, especially a small bouquet of flowers.
Obsolete, walking beam.
to cut short; dock:
They bobbed their hair to be in style.
to try to snatch floating or dangling objects with the teeth:
to bob for apples.
Angling. to fish with a bob.
a tap; light blow.
a polishing wheel of leather, felt, or the like.
to tap; strike lightly.
a shilling.
a male given name, form of Robert.
Robert (“Bob”) born 1946, U.S. track-and-field athlete.
Robert Joseph (“Bob”) born 1928, U.S. basketball player.
Robert William Andrew (“Bob”; “Bullet Bob”) 1918–2010, U.S. baseball player.
Robert Louis (“Bob”) 1927–87, U.S. dancer, choreographer, and theater and film director.
Althea, 1927–2003, U.S. tennis player.
Charles Dana
[dey-nuh] /ˈdeɪ nə/ (Show IPA), 1867–1944, U.S. artist and illustrator.
Josh(ua) 1911–47, U.S. baseball player.
Robert (“Bob”) born 1935, U.S. baseball pitcher.
a male given name.
Robert J(ohn) H(erman) (“Bob”) 1890–1967, U.S. swimming coach.
Robert Nesta (“Bob”) 1945–81, Jamaican reggae singer, guitarist, and songwriter: popularizer of Rastafarianism.
Robert Bruce (“Bob”) born 1930, U.S. track-and-field athlete.
Contemporary Examples

Pro-Gun Advocates Push Back Against Gun Control After Newtown David Freedlander December 19, 2012
The Al Jazeera Charm Offensive David Freedlander March 19, 2013
Bush Memoir Will Be a Hit Ronald Goldfarb November 10, 2008
‘An Evil-Looking Gnome’ Bryan Curtis June 26, 2011
Bob Tur, the L.A. Riots’ Eye in the Sky, on Reginald Denny & More Matthew DeLuca April 26, 2012

Historical Examples

The Radio Boys at the Sending Station Allen Chapman
The Story of the Invention of Steel Pens Henry Bore
The Fighting Edge William MacLeod Raine
The Underdog F. Hopkinson Smith
The Pioneer Boys on the Mississippi Harrison Adams

verb bobs, bobbing, bobbed
to move or cause to move up and down repeatedly, as while floating in water
to move or cause to move with a short abrupt movement, as of the head
to make (a bow or curtsy): the little girl bobbed before the visitor
(intransitive) usually foll by up. to appear or emerge suddenly
(intransitive; foll by under, below, etc) to disappear suddenly, as beneath a surface
(intransitive) usually foll by for. to attempt to get hold (of a floating or hanging object, esp an apple) in the teeth as a game
noun
a short abrupt movement, as of the head
a quick curtsy or bow
(bell-ringing) a particular set of changes
(angling)

short for bobfloat
the topmost fly on a cast of three, often fished bobbing at the surface
this position on a wet-fly cast

noun
a hairstyle for women and children in which the hair is cut short evenly all round the head
a dangling or hanging object, such as the weight on a pendulum or on a plumb line
a polishing disc on a rotating spindle. It is usually made of felt, leather, etc, impregnated with an abrasive material
short for bob skate, bobsleigh
a runner or pair of runners on a bobsled
(angling) a small knot of worms, maggots, etc, used as bait
a very short line of verse at the end of a stanza or preceding a rhyming quatrain (the wheel) at the end of a stanza
a refrain or burden with such a short line or lines
a docked tail, esp of a horse
(Brit, dialect) a hanging cluster, as of flowers or ribbons
verb bobs, bobbing, bobbed
(transitive) to cut (the hair) in a bob
(transitive) to cut short (something, esp the tail of an animal); dock or crop
(intransitive) to ride on a bobsled
verb bobs, bobbing, bobbed
to tap or cause to tap or knock lightly (against)
noun
a light knock; tap
noun (pl) bob
(Brit) (formerly) an informal word for a shilling (sense 1)
noun
(slang) Bob’s your uncle, everything is or will turn out all right
noun
a person or thing that fells
an attachment on a sewing machine for felling seams
noun
a nonstandard variant of fellow
noun
a ditch or moat, esp one dug as a fortification
noun
(mainly US) a cocktail consisting of four or more parts dry gin and one part dry vermouth, iced and served with a pickled pearl onion
noun
Mel. born 1956, Australian film actor and director: his films include Mad Max (1979), Hamlet (1990), Braveheart (1996; also directed), What Women Want (2000), The Passion of the Christ (2004; director only), and Apocalypto (2006; director and co-writer)
noun
Bob, full name Robert Nesta Marley. 1945–81, Jamaican reggae singer, guitarist, and songwriter. With his group, the Wailers, his albums included Burnin’ (1973), Natty Dread (1975), Rastaman Vibration (1976), and Exodus (1977)
v.
n.
n.

David Betz. A tiny object-oriented language.
(ftp://ftp.mv.com/pub/ddj/packages/bob15.arc).
[Dr Dobbs J, Sep 1991, p.26].
best of breed
Bolivia-boliviano
Bureau of the Budget