Definition of hat hair in English:

hat hair

noun

mass nouninformal
  • A messy or flattened appearance of the hair, produced as a result of wearing and then removing a hat.

    ‘follow these tips and kiss frizzy hat hair goodbye’
    • ‘The woman in Manhattan who was wearing four hats, topped by a sombrero, was presumably willing to accept an onset of hat hair.’
    • ‘At The Hollywood Reporter's Nominee Party, hat hair didn't scare Jared from rocking a sleek fedora.’
    • ‘When it comes to fit, have the boyfriend beanie loose enough to not create hat hair with some extra volume at the hat's crown.’
    • ‘Her swept-back style has no part and loads of volume, and both help keep hat hair at bay.’
    • ‘With my flattops and buzz cuts, I'm fairly immune to hat hair but I wear baseball caps practically everywhere.’
    • ‘I look a bit dodgy with hat hair at the moment.’
    • ‘She used her camera screen as a mirror to check for dreaded hat hair after she donned a stetson at an event in New York on Sunday.’
    • ‘She must have some serious hat hair hiding under there, as she's rarely been pictured without her wide-brimmed headgear recently.’
    • ‘Say buh-bye to hat hair with these simple styles to stave it off for good.’
    • ‘I look awful, my ears stick out, and then I have god-awful hat hair.’