A person is both stupid (e.g. dumb) while also stubbornly refusing to stop being stupid when asked (e.g. Will Tomasini)
I couldn't teach him how to use the paintball gun because he was running around with it between his legs like a dumbass.
by Professional Worder January 7, 2023

by imsadlyhuman May 2, 2020

A person who's idol is Stig of the Dump. He loves to dress like a tramp and loves his Stig of the Dump cologne (Which has a scent of shit in it).
The Dumbass Scotsman normally has either a J or a K in his initials. In some circumstances a mixture of the two can cause serious malfunction of the persons common sense.
by wurly_45678 October 16, 2008

by TheDeadInside June 20, 2024

Don't be a dumbass
by tini101goals September 12, 2015

by GordonRammedYaMumsey August 13, 2019

by play celeste plz plz May 19, 2022
