When you take a piece of wooden furniture from a curb alert you find on craigslist.com, smash it, take the largest piece and spray paint a cock on it, then leave it in your friends yard.
The art of leaving drawings of cocks on whiteboards and posters in the office to be found by your work colleagues. These are sometimes hidden by other office items for impact when found e.g. whiteboard erasers.
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.