Activism with a capital B. The doctrine or practice of vigorous spitefulness or involvement as a means or achieving vengeful goals. Sometimes by demonstrations, unnecessary assignments, etc.
2. Theory that the relationship between the mind and the objects of perception depends on the action of the mind.
Actively waging a vendetta is a bad idea, but to be known for your vindictivism can be a great advantage, for then people will take care not to cross you.
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.