Means when someone is jealous of their friend getting at some chic and that someone trys to cockblock but fails.
Manz saw Michael trying to get with some chic and Manz got cockjealous and went over to introduce hiself. Michael walked away and that chic follwed while Manz was left alone in disgust. hes fucking cockjealous.
by Manz Guzman September 29, 2006