The act of being really dumb to the point beyond belief and to the point where you want to cry.
R: “Maddax is very dumbiful

M: “That’s not even a word”
R: “yes it is you’re just dumbiful”
by Teysoodksjoxb December 22, 2021
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A dumb thot who doesn’t know shit
That bitch is a dumby, she thinks that women should have rights
by El Jeffi May 16, 2019
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Someone who is dumb; an unsmart being.
Quit being a dumbie
by Rudo March 29, 2003
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A person with no common sense. One who lacks all judgement.
by Nads August 27, 2004
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