someone who has absolutely no talent themselves so tries to convince other people that someone who actually has talent is bad at whatever they do.
person 1: "Avenged Sevenfold is a pretty good band."
person 2:"yeah, and sum 41's new album isn't half-bad either."
hater:"Those bands suck! theyre no-talent shits!"
person 1&2:"get the fuck outta my life hater."