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.
by Batgirl58 March 15, 2011
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When somthing has been /goes so dummy, to the point where it's figuratively wrapped and preserved like a mummy.
1.) I just found my old charizard holographic card while cleaning out my storage unit. Its absolutely dummified.

2.) A friend of mine is a semi-professional kite pilot, that goes dummified
by Mamasquingilli September 6, 2020
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