hilarious
sarcastic
fall flat
bomb
crack up
slapstick
a punchline
a one-liner
in hysterics
pull off
break the ice
crack a smile
To be unsuccessful often in the entertainment business
To fail to produce the intended or expected effect
To laugh so hard that you're unable to stop
Saying things that are the opposite of what you mean in order to make a joke
The last few words of a joke, or a story that make it funny or surprising
Extremely funny
Humorous physical acting.
To laugh a lot at something
A very short joke or humorous remark
to smile
To do or say something to relieve tension and make someone more willing to talk
To succeed in doing something difficult