A person who uses phrases such as 'baka', 'senpai' or 'kawaii' in regular conversation with no rhyme or reason, making you say "nope" and leave the conversation whilst simultaneously cringing. These people tend to be in the 12 to 15 age range and have only watched My Hero Academia, henceforth having no sense of social construct or behaviour.
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.