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.

1. Blue Monday is the most depressing day of the year, calculated by Dr. Cliff Arnall, a researcher at the University of Cardiff's Center for Lifelong Learning.
Factors used to calculate the date included weather conditions, debt level, time since Christmas, time since failing our New Year's resolutions, low motivation and feeling the need to take action.

In 2005 the date was calculated as January 24th, in 2006 it was January 23rd, and in 2007 it was January 22nd.

2. A song by the hard rock band Orgy from their album Candy Ass.

It's what you say when you've been in your house all weekend studying/working/doingyourstupidf*ckinghomework and on the verge of going literally insane and since you are going so delirious you say random stuff, like lalalala.

ELMO'S WORLD
poeple usually say this at random times when bored out of their minds