A joke is a humorous statement or story, often with a punchline, that is intended to make people laugh. The term 'CHOKE' can refer to the act of not being able to breathe due to an obstruction in the throat or airway, but it can also be used to describe a situation where someone is unable to perform a task due to pressure or fear. In this case, the crossword solution for the term 'joke; CHOKE' is the three-letter word 'GAG'. A GAG is a joke or prank that is intended to make someone laugh, usually by surprising them.