crack someone up

tv. to make someone laugh. The lecturer would talk along sort of boring like, and then all of a sudden he would crack up everybody with a joke.

Name	Pronounced	Usage
Eusebios	-	Ancient Greek
Joslyn	['dʒɔslin]
Pelageya	pye-lah-GYE-yah, pee-lah-GYE-yah	Russian
Jane	JAYN	English
StefÁNia	-	Hungarian
Bastien	bas-TYAWN	French