The kind of dancing one does when deeply inebriated, e.g.: swaying, staggering, stepping on toes, and the tendency to perform inappropriate hula dances.
He drank so much liquor last night, he was jexing all over the disco.
a word to describe a legend; someone that's just born a god at everything. a jex has many friends, gets poon, is smart, and incredibly interesting as well.