When one has gotten intoxicated from too many schooners and can not even feel the sensation of cold, this allowing them to fall asleep naked on the curb
"had me schoona doona on last night, woke up no pants, no idea where I was, and no worries"
Pajama casual is a term used when working from home and preparing for a video conference. All business above the waist and your pajama pants down below.