Definitions by Clarkinstein

Nong-nong 

Random insult used by children.

"Stupid-head Dumb-head Nong-nong"

Nong-nong by Clarkinstein September 8, 2006

Nong-nong 

Childhood substitute insult for butt-head if you'd get in trouble for saying that.

"Stupid-head Dumb-head Nong-nong"

Nong-nong by Clarkinstein September 8, 2006