Chillout
Origin
From the verb chill out.
Full definition of chillout
Noun
chillout
(plural chillouts)- (colloquial) A period of quiet, rest and relaxation, especially after a party etc.
- 2011, Chris Gibson, John Connell, Festival Places: Revitalising Rural Australia, page 70, ISBN 1845412095The Gloucester Chamber of Commerce cancelled this year's SnowFest .... President Peter Markey says instead a 'chillout day' is being held at the end of the month.