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1.
A derivative of the term to chill like a villain.

/Adjective./

to Chilly Villy means to be completely comfortable/relaxed in ones specific environment. (Bedroom/Beside the pool/at the beach etc.)

It can also be used as a question posed at another person
Examples:

I'm Chilly Villy in bed.

Libby Come Chilly Villy in my room

I don't want to go to class i just want to Chilly Villy

Fabz is Chilly Villy over there by the swings
by Fabs Our Lord and Saviour January 19, 2014