Na-Na 

A name that frequently appears in songs in all languages and from all backgrounds.

Rhianna song "Oooh Na-Na, what's my name?" and Ram Charan's song (Orange, the bollywood movie) "Where are you Na-Na?"

Na-Na by ily Na-Na December 24, 2010

na-na 

japanese word for the number 7

ichi, ni, san, yon, go, roku, nana.

na-na by murasaki January 26, 2004

na-na 

Nickname of the female genitalia.

Commonly used to describe a particularly odoriferous genitalia
i.e., "She's got the ill na-na"

na-na by Sir Daniel Gooch August 2, 2003

na-na 

A term in the hood that means "No"

Yo G you be poppin in the hood
Na na Nigga!

na-na by biff johnson January 18, 2004

na-na 

1. Term used to express complete joy and happiness.
2. Something extremely cool

We just won the game in overtime!!! Na-Na!!!

na-na by Michael Orr September 10, 2004

na-na 

Overly frilly, feminine, girly, to the point where it becomes distasteful. Often used in the context of discussing fashion, clothing or makeup.

"That skirt looked way too na-na on Angelina, but it would look great on Hilary."

"That pink lipstick looked so na-na on her."

na-na by Nikki January 16, 2005

na na 

short for the word vagiNA

used in "The Yummy Song" by Baby Bash

"That girl's got a platinum na na"

na na by GaaaGaaa January 2, 2007