An acronym that stands for 'I Hate You Go And Die'. It originates from a song in Repo! The Genetic Opera. The expression is usually used in times of anger towards another person.
Person 1: I'm failing math so hard, brahh!
Person 2: Easiest class ever. I've got an A+.
Person 1: IHYGAD!
by Icykinz September 26, 2009
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