by UwU.ai September 3, 2020

When an individual is so exhausted that their cognitive skills are compromised, effectively lowering their IQ
Jules was so fatigued after the long hours of driving that she could not remember whether to put out the recycling, the garbage, or the cat. Swaying with exhaustion she exclaimed, "I put the milk in the closet and the detergent in the fridge just now. I am officially dumbass tired!"
by Jules.Sheehy July 13, 2016

a random kid you meet online in a video game, usually halo, call of duty, battlefield, or gears of war. they think they are the best players ever, but actually suck.
by DumbassRandomScrubGuy February 3, 2012

by jojo77 January 2, 2013

by Tommy Princess May 24, 2021

Then the contestant, reacting to the audience's laughter after she identified the author of The Three Musketeers as "Alexander Dumbass", said, "No...wait... Henry Dumbass!" -- from the Pardon My Blooper album, 1957.
by Zappin' Nap March 31, 2020
