"Zedjealous" or "zealous jealous" is a phrase used to describe a person showing an irrational disliking something because they are jealous of it.
This could be the dislike of a person because of their advantages or achievements, or an object if the jealous individual wishes they had the foresight or means to obtain it.
Zedjealous people often have so little to look forward to in their own lives that they show irrational hatred towards those that do. - Zedjealous people are otherwise known as sad little bastards.
Rob: "Your car is shit!"
Clive: "Got a reason?"
Rob: "You're gay!"
Clive: "Zedjealous bitch!" *walks away*