Instead of male masturbation using a hand, one uses the inside of the elbow to masturbate. Jerking the penis with the inside of the elbow, making a motion akin to a chicken flapping its wings.
Mark: Hey Steve, did you jack off last night?
Steve: Yeah, I did the dumbchicken. Felt like a real vagina!
Mark: Steve, you're a virgin.
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.