the word used by silly people in new jersey. it means yes, or i love you.
DOnt tell me all this air humping is leading to knowhere. NeeNoo
by bob jones October 20, 2004
A very small, hard knot of hair, twisted up betwixt the thumb and index finger, then mashed together.
Look, he has been neenooing, his hair is all twisted up. Boy that's a fine looking neenoo you have there son...
by Bacon123456789 August 11, 2008