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
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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
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A catchphrase originally made by Daniel Su. It has been stolen on numerous occasions by Ali Ahmed, who paid Colby Schwartz to incorrectly label him as the creator.
Daniel Su: *says anything*
Ali Ahmed: *types: !urban are you dumb or are you dumb*
by dexti_ April 17, 2020
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A reference to make toward ignorant and stupid people. Typically used by girl to explain a guy or boyfriend. Can also be used to describe a friend who is a girl when that dont want to except that the guy they are talking to is a Douche.
Boy- I really like you and want to make this work, even though the situation is difficult.
Girl- Awh, but your leaving are you sure?
Boy- Yes im completely sure.
*next day on facebook*
Boy- I dont really like being in a relationship while all of this is going on...blah blah blah
Girl- You just said you wanted to make it work, You Dumb.
by :yusodumb: February 18, 2012
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You the person who’s going to downvote this again and won’t let me put a definition for AHI TUNA!
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Explanation for Everything
Why you act so gay? It's Ya face, Boi and Ya attitude I don't like
Whaaaas up, you dumb son of a bitch, you the one who starts shit
by urcameltoeshowing1 July 9, 2018
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