bob

1. bob (verb) — sense 1

Definition: 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.

Example: The cork bobbed gently in the calm water.

2. bob (verb) — sense 2

Definition: To move (something) as though it were bobbing in water.

Example: I bobbed my head underwater and saw the goldfish.

3. bob (verb) — sense 3

Definition: To move (something) as though it were bobbing in water.: To perform oral sex on someone.

Example: She bobbed on his knob.

4. bob (noun) — sense 4

Definition: A bobbing motion; a quick up and down movement.

Example: a bob of the head

5. bob (noun) — sense 5

Definition: A curtsy.

6. bob (noun) — sense 6

Definition: A bobber (buoyant fishing device).

Example: Or yellow bobs turn’d up before the plough / Are chiefest baits, with cork and lead enough.