1. A non-existant gang some loser claims to belong to.
2. A guy who acts like/says/thinks he's in a real gang, when, in reality, if he ever approached them, the cops would never find his body.
Larry: Y'all better watch out! I run with a gang son!
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.