Dongsaeng is a Korean word describing a family or friendship relationship. It is used to refer to one's younger sibling or a close friend that is younger than oneself.
"I promised my dongsaeng I'll treat her for dinner if she did well on her test."
"Dongsaeng, make me a cup of coffee."
(Although the above statement is a command, 'dongsaeng' acts as a form of endearment like 'little brother' or 'little sister'. In other words: "Lil' bro, how about a cup of coffee for your big bro?")
The cutest fluffy person ever. Dongsung is the best bassist in the world. This person also loves to play puzzle. He also is an Ace Ranker for PUBG Asia! No other word, cute cute cute!
Girl A: Who is the one that slap the bass guitar?
Girl B: Ahh the cutest bassist in the world~ that is Seo Dongsung, makdoongie of N.Flying band
Girl C: I'M AN N.FIA!! Anything you want to ask?
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.