Etymology

Noun

1. A young female bovine (cow) that has not yet had a calf.

   1611 And the LORD spake unto Moses and unto Aaron, saying, This is the ordinance of the law which the LORD hath commanded, saying, Speak unto the children of Israel, that they bring thee a red heifer without spot, wherein is no blemish, and upon which never came yoke — Numbers 19:1-2 KJV

2. An ugly or objectionable woman; a cow.
   • 2001, Glenda Howard, Cita's World

     My hand was aching to slap that silly heifer. I told her to take her trifling ass down to Burger King and get herself a job flipping burgers...

   • 2002, Francis Ray et al, Gettin' Merry: A Holiday Anthology

     ...the woman who'd referred to her as a fat yellow heifer earlier that day...

   • 2002, Linda Hudson-Smith, One Moment in Time

     She picked up the house phone on the first ring but heard nothing on the other end. This silly heifer wanted to play childish games...