Comes from the combination of the first names of rockers Gerard Way and Joe Trohman. Describes a young man who is typically extremely attractive but whose amazing personality is what stands out above all. Extremely unique, random, non conforming, and unclassifyable. Often mistaken as an emo, loser, or freak. Ex: Dwayne from Little Miss Sunshine.
Did you see that geroe with the homemade band tee at the concert?