be a riot
slang To be uproariously funny. Stop, stop, my sides hurt from laughing! Liz, you're a riot! You're sitting with Gary? Oh, he'll liven up this stuffy dinner for sure—he's a riot. Man, you need to see this new comedy. It was an absolute riot!
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.