Wash your dirty linen in public
Definition 1 of 1
Pro Tip 1/3Privacy Matters
Sensitive topics deserve privacy. Avoid this phrase in formal settings or with unfamiliar people. 
Remember that it's unprofessional to wash your dirty linen in public at work.
Pro Tip 2/3Negative Connotation
Using this phrase suggests improper behavior, often leading to disapproval or embarrassment. 
She was ashamed after he decided to wash their dirty linen in public.
Pro Tip 3/3Emotional Impact
Revealing personal problems publicly can cause discomfort or distress for those involved. 
He couldn't believe his friend would wash their dirty linen in public and hurt his feelings.