getting injured while engaging in sexual intercourse, i.e. a hamstring pull, but instead of calling it quits due to injury, you continue to have great sex until it's over and everyone is satisfied.
Mary: Wow, that was some amazing sex.
Dave: Yes, I know...and I was playing hurt!
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.