a girl thing

a girl thing

Something that exclusively pertains to or is understood by females. No offense, Dad, but it's a girl thing, so I really need to talk to Mom—is she home?
See also: girl, thing
Farlex Dictionary of Idioms.

girl thing

n. something that women do; something that appeals to women. You wouldn’t understand. It’s a girl thing.
See also: girl, thing
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • girl thing
  • be in the loop
  • loop
  • be kept in the loop
  • keep (someone) in the loop
  • LIRGAS
  • nonbinary
  • binary
  • kitchen-sink drama
  • be as cute as a button