1. A day when one's hair seems unmanageable; often then developing into a day when everything seems to go wrong, and one becomes increasingly irritable

Derived forms: bad hair days

• Tomistoma
• Tomistoma schlegeli
• Tommy
• Tommy gun
• tommyrot
• tomograph
• tomography
• tomorrow
• tompion
• tomtate
• tomtit
• ton
• tonal
• tonal language
• tonal pattern
• tonal system
• tonality
• tonally
• tondo
• tone
• tone arm
• tone deafness
• tone down
• tone ending
• tone language