A woman who pretends to be a nympho (a woman addicted to sex.) This woman is usually a virgin but pretends that she's a nympho to get attention from the opposite sex.
I have two friends whose name's are nympho and fympho. One is a slut and the other just pretends to be (which is just as bad)
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.