Top definition
on headsname (-1.023)
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!"
by Thejacksonpahl March 12, 2014
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