A person, usually a coach, who is addicted to football and will do anything no matter how ridiculous to help his team win. Many times when football guys lose football, they go through severe withdrawals and sometimes can die.
Joe Paterno was such a footballguy, that the second he got fired he couldn't live anymore.
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.