Simpsons' Sky 

Indicating a particulariy fine day for weather. The sky being a single bright blue, punctuated with the occasional cloud, as in the hit cartoon; The Simpsons.

Wow! Weve got a real Simpsons' sky day today lets make the most of it.

Simpsons' Sky by Ian Grimmett February 13, 2005

Simpsons Sky 

A blue sky containing white fluffy clouds that looks like the sky scene on the opening credits of the Simpsons cartoon.

We had great weather for the BBQ. We were grilling under a Simpsons Sky.

Simpsons Sky by Peter's Prism September 4, 2010

Simpsons Sky 

A blue sky with fluffy white clouds as per the much loved Fox cartoon (even if they did dump Futurama - bastards).
Michael Fish watch out.

"Hey man check out of the window - it's a Simpsons Sky"

Simpsons Sky by street smeg May 6, 2005