aggy adjective2 •Aggravating; annoying, irritating, obnoxious.But whatever you think of Bieber, the adverts are questionable for reasons other than the singer's reputation for being an aggy teenager with an unfortunate tendency to offend and irritate. — 2015 •Aggravated; aggressive, angry.I got aggie like a motherfucker. — 2006 formsaggier · more aggy · aggiest · most aggy