gag2 /ɡaɡ 
/ ▸ noun a joke or an amusing story, especially one forming part of a comedian's act or in a film: films that goad audiences into laughing at the most tasteless of gags.
▸ verb [no object] tell jokes: they gagged about their sexual problems.
– ORIGIN mid 19th century (originally theatrical slang): of unknown origin.
EnglishOxford Dictionary of English
