An interjection used to express anger, annoyance, disgust, or dismay. The options are really limitless. Used in the same situations that "god damn it" would be found, but is more acceptable for the secular crowd. From the creationism episode of south park.
Greg: I can't believe it, the Bears actually are in the Superbowl this year.
Bitter Jets Fan: Science damn it!!
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.