One who President Obama would call "a jack ass". He is typically the biggest dick at the party. He makes loud, terrible noises, and sells these noises for way more money than they are worth. He resents anyone who doesn't believe he is the voice of this generation, of this decade. He speaks terrible English, but thinks he is a genius. He is a douche, and a douche bag.
He is about to get his ass kicked by someone like Jay Z or Taylor Swift.
A gay fish is also someone who hates Carlos Mencia.
Someone who everyone can hate.
Guy: Hey man, look at that gay fish! Isn't he the dumbest genius you've ever seen.
Man: Yea guy. I hate that guy. He must be a gay fish for sure.
Guy: He must like putting fish sticks in his mouth.