jest (Formal or old use) to say things that you do not really mean in order to amuse people: "Do I look as if I am jesting? " she asked, her face pale and tense.
prank a trick, especially one which is played on someone to make them look silly: a childish prank
kid to say something that is not true, especially as a joke [= joke] just/only kidding Don't get mad, I was only kidding. to make jokes or say funny things about someone in a friendly way [= tease] kid somebody about something We were kidding Mom about being a grandmother.
slapstick humorous acting in which the performers fall over, throw things at each other etc: a slapstick comedy
gag (informal) a joke or funny story: He told a few gags. It was a bit of a running gag (=a joke which is repeated) in the show.
Punch line the last few words of a joke or story, that make it funny or surprising
sketch a short humorous scene on a television programme, in a theatre etc, that is part of a larger show: Her TV programme is made up of a series of comic sketches.
lampoon to criticize someone or something in a humorous way that makes them seem stupid: The Prime Minister was frequently lampooned in political cartoons.
spoof a funny book, play, or film that copies something serious or important and makes it seem silly spoof of/on The play is a spoof on Shakespeare's tragedy 'Julius Caesar'. a spoof documentary
Send-up a film, article, show etc that copies someone or something in a way that makes them seem funny or silly send-up of a hilarious send-up of a Hollywood disaster movie
corny too silly and repeated too often to be funny or interesting: corny jokes I know it sounds corny, but I dream about her every night.