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1.
Word commonly used to express someone who is "ninja awesome".
"That guy must be a Gyuunyuu.. What a guy.."
by Renegade Jesus April 23, 2006

Words related to Gyuunyuu

gyuu gyugyugyuyguuu. gyunyu gyuun gyuun'd ninja nyuu rank
 
2.
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