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Bob \Bob\, v. t. [imp. & p. p. {Bobbed}; p. pr. & vb. n.
{Bobbing}.] [OE. bobben. See {Bob}, n.]
1. To cause to move in a short, jerking manner; to move (a
thing) with a bob. ``He bobbed his head.'' --W. Irving.

2. To strike with a quick, light blow; to tap.

If any man happened by long sitting to sleep . . .
he was suddenly bobbed on the face by the servants.
--Elyot.

3. To cheat; to gain by fraud or cheating; to filch.

Gold and jewels that I bobbed from him. --Shak.

4. To mock or delude; to cheat.

To play her pranks, and bob the fool,
The shrewish wife began. --Turbervile.

5. To cut short; as, to bob the hair, or a horse's tail.