dumbtickle 

That annoying tickle in your throat that won’t go away no matter how hard you cough

That dumbtickle in my throat won’t go away!

dumbtickle by Talleywacker February 9, 2018

dumbfuckled 

as if struck dumb with complete stupidity and confusion

Wally was completely dumbfuckled by the number of fish I caught compared to him catching no fish at all.

dumbfuckled by Soul Clown Email List Guy December 1, 2004

Dumbsicle 

Someone who is so dumb, he or she is compared to a frozen piece of ice on a stick. No brain.

You my friend, are a dumbsicle.

Dumbsicle by slore. June 29, 2011

Dumbtitlement 

Covidiots who feel entitled to kill others with a bioweapon

COVID-positive California teacher, actively symptomatic, read to her class without a breathing mask and got more than half of her students sick. In MAGA's suicide cult Dumbtitlement runs rampant and is literally putting people at risk.

Dumbtitlement by Uncle Joosie August 30, 2021

dumbicle 

a person that is not smart or never does anything right

cody is dumbicle for saying that in front of a girl.

dumbicle by estabon December 4, 2007

dumbdickerry 

The state of being dumb as dick

Ivy steve's dumbdickerry is baffeling

dumbdickerry by Ajaxchi December 8, 2007

Dumbtrinklebumbs

A group of amazing people

Ye were dumbtrinklebumbs

Dumbtrinklebumbs by anonymous February 15, 2022