Neener-neener 

Childish taunt typically used to express that the taunter is getting away with a sleight against the tauntee in some manner.

Once Jeremy got in the car he rolled down the windows and showed Ron the candy bar he filched from his backpack and shouted 'neener-neener' while rolling away.

Neener-neener by Doctor Wombo November 19, 2015

Neener-neener 

A childish taunt or jeer pronounced with a nasal sneer, for lack of a more intelligent retort to someone else's jeer or taunt, usually from a peer. Sometimes sung to the tune of "Ring-Around-the-Rosy" for really driving the point home.

My definition is better than all the other stupid definitions listed here - neener neener.

Neener-neener by Lenny Schafer October 2, 2003

Neener-neener 

Word of jest or teasing. Similar to saying "ha-ha" or sticking a tongue out at someone.

How was the cafeteria food? I had homecooked turkey and potatoes! Neener-neener!

Neener-neener by Schaum February 11, 2003

neener-neener 

An expression of mockery, the American pronounciation of traditional English "Nyah-Nyah". Spoken with same camber and tone in both languages.

Compare American:

"I'm faster than you are, Neener-neener-neener!"

with English:

"I speak English and you don't, Nyah-Nyah-Nyah-Nyah-Nyah!"

neener-neener by Usukyuak Anaktuvut November 16, 2006

Neener-neener 

Phrase meant in tease, usually said while tickling another.

Girl tickles a guy and says "neener-neener" as she does it.

Neener-neener by nate August 20, 2002

Neener-neener 

Sooner than a nooner!

Neener-neener - sooner than a nooner! That's the real neener-neener!!

Neener-neener by Anonymous July 29, 2003

Neener-neener 

a wacky, weird word often called out by intoxicated 311 fans

whooooa that was some dank neener neener!

Neener-neener by D January 9, 2003