The performing partner lies back on a couch or bed, tilting their head over the edge, while their partner penetrates their mouth from a kneeling, squatting, or standing position (depending on furniture height). Experiment carefully with the speed and forcefulness of any thrusting to keep it comfortable for the performing partner.
Since the performing partner needs air to stay alive, pause frequently to give time for breath...
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.