An unattractive girl that is also overweight. However, rollerpigs are just thin enough to be picked up by intoxicated men when desperation sets in just before last call.
Did you see that rollerpig Brad hooked up with last night? He'll neverlive that one down!
A rollerpeg is a person who breaks their leg dancing and because of their weight, they opt for a wheelchair instead of the recommended crutches. In some cases, the person may acquire a handicap parking tag in their car.
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.