Definition from Wiktionary, the free dictionary
- (idiomatic) Unflattering facts or questionable activities that one wants to remain secret, but which some other may use to blackmail with.
- If you don't tell me why you did it, I'll air all your dirty laundry to your boss.
- Laundry that is unclean or soiled
- If you bring your dirty laundry round on Saturday, I'll wash it for you.
- (slang) A clothes hamper or other container used to place unclean or soiled laundry in.
- Place your dirty clothes in the dirty laundry.
Unflattering facts or questionable activities (1)
Laundry that is unclean or soiled (2)