gag

(găg)

1. Something forced into or put over the mouth to prevent speaking or crying out.
2. An obstacle to or a censoring of free speech.
3. A device placed in the mouth to keep it open, as in dentistry.
4. a. A practical joke.
   b. A comic effect or remark. See Synonyms at joke.
5. The act or an instance of gagging or choking.

1. To prevent from speaking or crying out by using a gag.
2. To stop or restrain from exercising free speech: censorship laws aimed at gagging the press.
3. To cause to choke, retch, or undergo a regurgitative spasm.
4. To keep (the mouth) open by using a gag.
5. To block off or obstruct (a pipe or valve, for example).

1. a. To experience a regurgitative spasm in the throat, as from revulsion to a food or smell or in reflexive response to an introduced object.
   b. To retch or choke.
2. To make jokes or quips.