bad hair day
The phrase "bad hair day" is often used humorously to describe a day when everything seems to go wrong, originating from the literal experience of having unmanageable hair.
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Definition
B2Everyday Life
(informal, idiomatic)A day when everything seems to go wrong or one feels particularly unlucky.
Example
- I missed the bus, spilled coffee on my shirt, and forgot my keys—it's definitely a bad hair day.
B2Personal Appearance
(informal, literal)A day when one's hair is unmanageable and looks unattractive.
Example
- No matter what I did, my hair just wouldn't cooperate. It was a real bad hair day.
Similar
Terms that have similar or relatively close meanings to "bad hair day":