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.

Source: Webster's Revised Unabridged Dictionary (1913)