Definitions by Thejacksonpahl

on heads 

Used (primarily by dudes, or bros) to describe a certain action/situation that irritates/agitates you/makes you angry.

Dude 1: "bro I can't believe he stole your polo shirt!"

Dude 2: "I know bro, I'm on heads about that!"

on heads by Thejacksonpahl April 19, 2014