Definitions by Jason630

dumy 

The type of person who's more autistic than the average retard. They are defined as dumy because they can't properly smell or pronounce there words

Dude Jessica is so slow and autistic I actually think she a dumy

dumy by Jason630 December 23, 2017

dumy 

The type of person that is more autistic than the average retard. So stupid they can't pronounce or spell words correctly there for giving you the word dumy

Bro Jessica is so fucking stupid she's actually a dumy

dumy by Jason630 December 23, 2017