Mispelling of ninja.
by God Mcgod February 4, 2004

A ninga is a person who uses a Ning as a form of social network. Pronounce it by saying "ning-a", like "singer".
by Nooko August 21, 2009

by Jim Reed June 11, 2006

by Schmelly - Faughts June 6, 2019

by deadgirl333 May 19, 2016
