have a bad hair day

have a bad hair day

1. To experience a day when one's hair is unruly and looks unkempt. I'm wearing a hat because I'm having a bad hair day, OK? Talk about having a bad hair day—what am I going to do with this unruly mop?
2. To have a bad day. This phrase can also be applied to machines. I'd avoid the boss if I were you—he must be having a bad hair day because he's screaming at everyone he sees. I'm having a real bad hair day—everything has gone wrong. Do you think the coffee maker is really broken or just having a bad hair day?
See also: bad, hair, have
Farlex Dictionary of Idioms.
See also:
  • bad hair day
  • a bad hair day
  • have a bad effect
  • have a bad effect (on someone or something)
  • in (someone's) bad books
  • in someone's bad books
  • as bad as all that
  • bad iron
  • be no bad thing
  • be no bad thing...
References in periodicals archive
From untamed frizz to lank locks needing a wash, there are plenty of ways we can have a bad hair day.