A Goonatar is a person who has master the art of gooning like the avatar. They are the master of all four subreddits and have achieved a state like nirvana no longer needing to goon. This is the Goonatar.
Bryan: I think Jack has become a Goonatar.
Shawn: I think your right he has so much aura and has risen to nirvana!
GoonTard - a Portmanteau of Gooner and Retarded. Used to refer to a Chronic Compulsive Masturbator who jerks off for hours and hours and hours every day. He eventually becomes a stupid gooner and looks like he's retarded because his brain has shut down all but core functions. Most guys consider them Idiots and Morons because they have no goals or ambition other than to masturbate all day long, usually on the internet where anyone can see them.
Tim: Hey Ryan, I heard your older brother is a GoonTard
Ryan: Yeah, he's a Total GoonTard.
Tim: Does he really do nothing but masturbate all day?
Ryan: Yeah, mom and dad have given up on him. He hasn't left his sroom in 3 months, so they just slide a plate of food in there once a day.
Tim: Sorry bro.
Ryan: Yeah Me too. I'm afraid I'm gonna become a GoonTard too.
A tall woman over 5'10". Goontars are usually physicallythreatening, but are not necessarily fat. Guys who are attracted to them are called "goontar slayers" and are ready to draw their swords whenever a big woman is near. Not all are unattractive and are called "slayable goontars".