1a piece of cloth put in or over a person’s mouth to prevent them from speaking:they tied him up and put a gag in his mouth
a restriction on dissemination of information:every contract contains a self-signed gag
2a device for keeping the patient’s mouth open during a dental or surgical operation.
1 [with object] put a gag on (someone):she was bound and gagged by robbers
prevent (someone) from speaking freely or disseminating information:the government is trying to gag its critics
2 [no object] choke or retch:he gagged on the wine (as adjective gagging)Angela made a gagging noise
3 (be gagging for) informal, chiefly British be very eager to have or do (something):I’m absolutely gagging for a pintwe’ll be sitting in front of the TV at five to seven next Saturday evening, gagging for the next instalment