1 definition by Thejacksonpahl
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!"
Dude 2: "I know bro, I'm on heads about that!"
by Thejacksonpahl March 12, 2014