1. An instance of laughter. Once I got a laugh from the audience, I started to feel more relaxed about giving my presentation.
2. An instance of lighthearted amusement or mirth. Ah, don't be upset, we were only having a laugh! This show is always good for a laugh, so I put it on whenever I'm feeling down.
3. A fun or enjoyable experience. Come with us to the party tonight. I'm sure it will be a laugh.
4. Something absurdly inadequate, defective, or idiotic. Their customer service is a total laugh. I was on the phone for nearly two hours just to be told that they couldn't identify the problem and wouldn't help me any further. I hated every minute of my stay there, so the 10% service charge they added automatically to my bill was quite a laugh.
See also: laugh
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
laughup/in (one's) sleeve
To rejoice or exult in secret, as at another's error or defeat.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.