informal. a person who is notably stupid or lacks good judgement. flexible in it's use in that it can be used politely for minorstupidity events, as in children or loved ones, or more strongly as a substitute for cunt, for full fledged retardation.
you're such a wopple head, you should run headfirst into a wall.
look at this wopple head, doesn't even know how to drive his vehicle.
or in the case of a loved one: I'm not a wopple head, you're a wopple head.
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.