corpse

slang In theater, to laugh involuntarily at an inappropriate moment. Primarily heard in UK. The actor started corpsing when someone in the audience let out a tremendous fart in the middle of a very serious monologue. It's really hard not to corpse when one of your fellow actors has to say the most ridiculous lines with absolute seriousness and conviction. I didn't mean to corpse when the lead tripped up the steps—the unexpected sight just tickled me, I guess.

corpsing

slang In theater, the act of laughing involuntarily at an inappropriate moment. Primarily heard in Australia. Even the most serious actors in our cast succumbed to corpsing after someone in the audience let out a tremendous fart in the middle of the tragic death scene. It's really hard not to start corpsing when one of your fellow actors has to say the most ridiculous lines with absolute seriousness and conviction. I didn't mean to start corpsing when the lead tripped up the steps—the unexpected sight just tickled me, I guess.