Frienger refers to a person that you know more than as a Stranger but less than as a Friend. For example, Classmates and Work Colleagues could be referred to as Friengers.
I know Fiona as a Frienger, We once worked on a school project together.
A person or group of people that you have a friendly relationship with online only. A person whom you are friends with through the Internet but have never met in person or spoken to.
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.