Gyuunyuu

Word commonly used to express someone who is "ninja awesome".

"That guy must be a Gyuunyuu.. What a guy.."

by Renegade Jesus April 24, 2006

Gyuunyuu

Japanese for milk.

Not a ninja, nor a ninja rank.

Ninja ranks are as Follows:

Kage
Jounin
Chuunin
Genin

Incorrect use:
That ninja is gyuunyuu.

Correct use:
Gyuunyuu and cookies make japan santa happy.

by LOhateVE July 23, 2006