He literally teleported the entire Enterprise across the galaxy with the snap of his fingers (or what ever it was, it’s been ages), waved to the borg, and went back. He might go out the airlock just to wave at you from outside to mock you before teleporting back in.

Though he did have a penchant for theatrics, so he’d probably send the captain out the airlock instead, literally let him die in front of the crew, and bring him back aware of the experience (at least early Q, before humans grew on him)…