According to the 'Dictionary of Sung Ju' or 'Sungjunary',
Sung Ju is a typical Korean name usually for guys but it is neutral enough for gals to use it too.
Those who are cool as Sung Ju are not afraid of being childish.
They have a strong inner child within them with a poetic twist.
Sung Ju usually oozes coolness and get irksome by Justin Bieber.
A: After my college lecture, I went out for trick or treat with my buddies for candy.
B: Man you are such a Sung Ju! I wish I was gutsy like you!
An interesting man. Spends his time chilling with friends, doing homework (and subsequently freaking out about school), and fantasizing about girls. Though not esp. strange, SungJun is very much unlike anybody you know. Often likes dudes.
Hey, it's SungJun... bet he's gonna do something weird!
Ruler of Lake Titicaca. Rumored to have a bunghole that gets very angry if it does not receive toilet paper. Cornholio the Great is often seen walking around with his shirt over his head and his hands in the air, chanting songs about his power, and his bunghole.
"I am Cornholio! You do not want to face the wrath of my bunghole, for I need TP!"
Butthead: Shut up, Beavis! (uh huh huh huh)
Beavis: Um, okay. (heh heh heh heh).