The most important person in the world. A person you must be friends with . Help with anything you have problems with. But she’s a person who needs help through her life and she's something will refuse to get help or talk to anyone. Also she’s a positive and negative person. She’s also wants to be alone or not talk to anyone.
A younger or not younger friend or family who is considered a “yungin” by helping the bigbros out and are becoming a part of the life of the big homies
“I sent my yungin down to the store to hit a lick for me”
A type of person who looks and smells like a monkey, flings crap at people, plays dota and has a trampoline
Usually incredibly puerile, immature and idiotic. Yunbins strangely all suffer having a micropenis. Upon seeing a Yunbin, it is protocol to point, laugh, then throw up.
Person 1: "Omfg, look at that Yunbin"
Person 2: "LOLOLOL WTF... disgusting!" *Starts throwing up over the floor*