hot pants

noun[plural only]3

1. •
   Very brief, tight shorts mainly worn by women and girls.

   • Her hot pants were so short, I could see her butt cheeks.
2. •
   (slang) A lustful attraction toward somebody.

   • And if any fat little old lady with gray hair could have hot pants, she's got hot pants for you. — 2014
3. •
   (no longer used) Someone (especially a woman) with a high sexual appetite.

   • ‘That goddamned little hot pants!’ he shouted. — 1939