Top definition
A rhetorical exclamation used to imply the idiocy of a person, behaviour or circumstance.
“Nobody tryna pay full fare on the TTC, are you dumb?”
by TorontoDictionary September 22, 2018
Get the Are you dumb? neck gaiter and mug.
May 28 Word of the Day
A goth who has been part of the subculture since it originally came about, or a goth over the age of 40.
by Solinium May 30, 2008
Get a elder goth mug for your barber James.
2
The reply given to someone who says something which you believe to be false, untrue or against your opinion.
R.H: "Arsenal are going to win the Premier League this Season"
S.K: "Are You Dumb!!!!!! Its gonna be Man Utd!
by Skeen Age June 16, 2008
Get a Are You Dumb mug for your mama Nathalie.
3
Toronto slang, you tell someone when they’re acting stupid, or tryna be something they’re not. Pretty casually used, not that serious.
Example 1:
“are u dumb? You know who mans is? I’m not afraid of no wasteman!”
Example 2:
Person 1 - “yo wanna go to timmies grab some timbits and shit?”
Person 2 - “boi are you dumb, I gotta wedding tomorrow, not tryna look like a fucking burnt chicken nugget loll
by kingoftoronto November 28, 2017
Get a Are you dumb mug for your dog Abdul.
4
When some asshole says something so stupid you want to say "why man", you just ask them if they're dumb.

If they say no, then they're dumber than you even thought.
Idiot: Justin Bieber's the greatest singer ever!

Normal Human Being: Boi, are you dumb?! My CAT sings better than that bitch. Get a life, man.
by It'sCakeAtStake March 19, 2019
Get the Are you dumb? neck gaiter and mug.