fo-ninja 

A fo-ninja is a fake-ass, wannebe ninja who believes that they are capable of awesome ninja like feats but in reality are idiots who perform dangourous stunts say and talk the way they think real ninjas talk and are always hurting themselves.

jeb is such a fo-ninja he started talking like naruto jumped on a wall then fell off and broke his fatass.

fo-ninja by Kage blast March 30, 2010

fo shinja my ninja 

"I agree wholeheartedly, my friend of Asian heritage!"

A derivative of fo shizzle my nizzle.

AzN: I put my pee pee on dat roundeye's hella phat tracks!
White Guy: Fo shinja my ninja!

fo shinja my ninja by Paraplegic MC October 14, 2003