in other words mattress back describes a fat person you can use it for all peoplelike if they are skinny you would say you single matback and if they are fat you call them a double matback
The New York City neighborhood at the west end of W 13th st. in Manhattan. Originally famous for its slaughterhouses, it evolved in the mid 20th century into a collection of bars and brothels that catered to the gay and BDSM crowds. Like most of the other interesting parts of New York, in the 21st century it has gentrified into a playground for rich people.
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.