The noise you make when you refuse to listen to somebody and drown out their words with your own noise. Usually accompanied by sticking your fingers in your ears or shaking your head.
"We're both adults, right? Well, last night your mom and I were having maritals and she wanted me to try ... "
"I am not listening! La la la la!"
by Coell September 2, 2005
Smoke-as in the good stuff.
My nizzles be smokin' tha' la la la.
by Bellafonte August 20, 2003
He blows La La.

Roll that La La!
by Bee August 22, 2003
fuck you
Lala is a nicer way of saying you want to fuck someone. Sang by Ashlee Simpson.
"You make me wanna LaLa in the kitchen on the floor"
"You make me wanna fuck you in the kitchen on the floor"
by Jennifer August 7, 2004
Another name (one of so, so many) for weed.
"I'm on that la la, twist it up
I'm on that syrup, slow it down"
-I Know the Future (Weezy)
by breakyoselffool February 25, 2009
My favorite teletubby. She's yellow, and has a happy-go-lucky personality. Her antenna looks like someone got angry at her and twisted it.
by Zhonghui May 20, 2005