The extra wrinkly folds as obtained from having such conditions as Hound Dog Syndrome (HDS) are wrapped around the penis and used as a fuck toy. The penis is thrust into the surrounding flab of skin, usually with some form of lubrication, either saliva or artificial lube.
"That fucking ex-fatty Sarah was giving me terrible head, so I flap trapped the fuck out of her."
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.
We have a Zoom meeting in a few minutes and I’ll probably go pajama casual.