One is who wrapped up in their own stupidity, similar to a mummy = mummified. Dummified people are so stupid that they should be individually wrapped without spreading their stupidity to others
Come'on, why are you so dummified you don't know when to shut up?!
John Smith's friends were are dummified when faced with a sophisticated question they just stood their, dummified.
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.