dumbetry 

The art of being dumb as fuck.

By Lord Keith and Kevin

"Man please, stop all the god damn dumbetry!"

dumbetry by Follower of Gainz August 7, 2016

Dumberry 

Used as an insult to make fun of people with weird sexualities.

“Look, there’s another dumberry”

Dumberry by cacacacacacacacacacaca December 22, 2020