A fastfoodie is a person who has an ardent or refined interest in fast food, soft drinks, and dollar meals. A fastfoodie seeks predictable, familiar food experiences and convenience (there'd better be a drive-through); not flavor, nutrition, or curiosity.
I've never had Thai food, sushi, or hummus -- I'm a fastfoodie!
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.