A combination of the classic offensive terms, Retard and Mongol.
That person is a mongtard.
A child ranging from ages 5 through 10 with a Kool-aid mustache usually red from the cherry flavor, they pass time by digging in the dirt with forks, spoons, and the occasional knife, extremely unsupervised by parentals.
That fucking kid down the street stole my kids bike that dirt digging Kool-aid face!
25👍 7👎