Definition 1: Someone, usually in elementary school, who insults others, will exclude them from their games, etc.
Definition 2: Someone who takes it up the ass in a schoolyard. These people are usually identifiable by their hard grip on the chain link fence and their excessive screaming.
Example 1: Piss off Tommy, you don't even know the rules to soggy biscuit!
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.