Blundertwat is a military officer that is typically a field grade officer. It is an anomaly how they reached their current rank with how little combat experience they actually have. The second half of the word is self explaining.
Major Blundertwat: "The Sergeant Major has no command authority! I'm in charge darnit!"
"Sir, the Sergeant Major is literally going to knife hand you out of country."
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.