Typically a Korean Girl who has the name Yoonah and likes to pussy out on her friends. Combine with the word punani, the ultimate nickname.
Friend: Yo, lets go out tonight
Yoonah: Nah i don't think so....I want to go home and eat
Friend: Yoonah....don't be such a Yoonani
Yoonah: Nah i don't think so....I want to go home and eat
Friend: Yoonah....don't be such a Yoonani
by SY93 February 2, 2013
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