mad on

plural mad ons · alternative mad-on

1. A state of anger and resentment toward someone or something.

   You've had a mad on at me since we met.

   2015, Zachary Klein, Two Way Toll, →ISBN

   2 more examples

   Walking mail men are fair game for animals, kids and any one with a mad on for the Post Oflice.

   2009, W. A. Franklin "Dub", Dining with Dub, →ISBN, page 36

   And Ben was always hard to talk with when he had himself a mad on.

   2014, Penelope Williamson, The Outsider, →ISBN, page 109