(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.
(transitive) To move (something) as though it were bobbing in water.
(transitive, with-on) To move (something) as though it were bobbing in water.
To curtsy.
To strike with a quick, light blow; to tap.
(intransitive) Synonym of blob (“catch eels using worms strung on thread”).

A bob haircut.
Any round object attached loosely to a flexible line, a rod, a body part etc., so that it may swing when hanging from it.
The dangling mass of a pendulum or plumb line.
The docked tail of a horse.
The short runner of a sled.
A bobsleigh.
A small wheel, made of leather, with rounded edges, used in polishing spoons, etc.
A working beam in a steam engine.
A particular style of ringing changes on bells.
A blow; a shake or jog; a rap, as with the fist.
(obsolete) A knot or short curl of hair; also, a bob wig.
(obsolete) The refrain of a song.
A short line ending a stanza of a poem.
(obsolete) A jeer; a sharp jest or taunt.

Clipping of shishkabob.

A graphical element, resembling a hardware sprite, that can be blitted around the screen in large numbers.

bob

Toon populariteit in de loop van de tijd