dumb fucking dumby

a step child. Usually one that annoys the piss out of you and needs to have the shit kicked out of them.

Step Dad: I got home last night and the step kid was being annoying as hell
Man: Tell that dumb fucking dumby to shut the fuck up.

Step Dad: You won't believe what the Dumb fucking dumby did last night.
Man: You mean the DFD.
Step Dad: Yeah him

by step dad February 24, 2008

Among us dumbys

Stupid people who play among us in 2023

Bro imagine being among us dumbys

by Goofyahhmok September 15, 2023

Big-Dumby-Nigger

A Big-Dumby-Nigger is a tall, stupid, black person.

The tall, black man with his shirt on back to front walked past.
Linda Shouted: HEY LOOK AT THE Big-Dumby-Nigger

by Subterraneo July 28, 2009

Dumbie

Dumb+Dummie

You are still a dumbie

by Mondler July 13, 2018

dumby

what you are if you actually search this up (and a quote used by egg)

dumby: 1+1=1
random passerby: what a dumby

by koolkidgamer69 July 30, 2021

Dumby

Dumby is someone who’s cute.

Monique: Water is wet
Morty: you’re a dumby

by MortyCo April 18, 2023

Dumbi

The plural of dumbass

Joey: There was group of dumbasses over there
Kyle: Don't you mean Dumbi?
Joey: Thanks for correcting me, Dumbass

by Azzaholic January 11, 2019