A fork of Rural Dictionary
The day that you turn off your communications equipment to avoid all contact with other people so you can do 'your own thing'.
I was so tired after a tedious week at work I decided to take a shunday...
The voluntary act of shunning all social, physical and intellectual activities on a Sunday
Exhausted after a hectic week-long travelling schedule, she decided that it would be a Shunday this time
The motion of inserting 1 or more fingers up an asshole when the person doesn’t expect it.
I’m going to give you a shundai