dumbiss 

a fucking idiot. if you know anyone that is a dumbiss, help them, because they r stupid

hey do u want to eat river toe lemons?
no u dumbiss

dumbiss by sexymff February 17, 2021

dumbiss 

a dumbiss is someone who is extremely stupid in their fucking head. like very dumb.

do u want to eat river foot lemons?
no u dumbiss

dumbiss by sexymff February 17, 2021

dumbiss 

1: someone extremely stupid or idiotic
2: plural form: dumbisses

“You’re such a dumbiss, @yeehee!”
“There’s no such thing as dumbiss.”
“Yes there is, dumbiss”

dumbiss by day6Jae6 October 17, 2020

dumbiss 

1: singular of dumbisses

2: someone who is extremely stupid and annoying.
3: someone who has no idea what they’re talking about most of the time

“You’re such a dumbiss, @yeehee.”
“There’s no such this as dumbiss!”
“Yes there is, dumbiss.”

dumbiss by day6Jae6 October 17, 2020

dumbiss 

1: someone extremely stupid or idiotic
2: plural form: dumbisses

“You’re such a dumbiss, @yeehee!”
“There’s no such thing as dumbiss.”
“Yes there is, dumbiss”

dumbiss by day6Jae6 October 17, 2020

Urban Dictionary Dumbass 

Someone who writes Urban Dictionary definitions about themselves, or people who they know, but who are not famous. Esp. when those definition is "*insert name here* is very cool and attractive."

Person 1: Hey! Jeremiah defined himself on Urban Dictionary!
Person 2: What an Urban Dictionary Dumbass...

Urban Dictionary Dumbass by Snowskeeper February 25, 2013

Professional Dumbass

Someone who does stupid shit so often, they somehow become proficient at doing it well

Stan is a professional dumbass, he keeps getting himself out of stupid situations

Professional Dumbass by Garlic S August 25, 2020