1) a gorgeous, caring, kind-hearted individual who will go out of her way to make someone else's life better.
the epitome of a charitable goddess.
2) one who procrastinates like no other.
3) an individual who consumes everything within a 12 foot radius but does not gain a single pound.
4) a person who possesses a keen sense of fashion.
Damn, that girl is so perfect! She's definitely a yoonjee!
She's always there to lend a hand, what a yoonjee.
I pulled a yoonjee and finished my 30 page paper last night.
Wow! Look at her clothes! She looks so yoonjee!