To be so impaired from drink or drugs that a wheel chair is needed to move you.
Justin was so trashed in the Las Vegas Airport after a weekend of partying that security deemed him "unfit to fly" and he had to be wheel chaired out of the airport.
Jared on the Chaired is a magical elf who only sits on chairs & is much more critical on reports to santa than typical elves. Jared also explodes on christmas and shows back up again the next year.