a straight male who hangs out with all the hot girls but never gets anything from any of them (often refered to as the bestfriend)
guy 1- hey dude im goin to the movies with a few girls tonight...
guy 2- nice man, yougonna get any?
guy 1- probibly not
guy 2- dude dont be such a neff
chick 1: im thinking about going out with tyler
chick 2: ew no, hes just a neff!