Top Definition
The act of being confused and astonished to a remark or request made my someone to that certain person, as well as another method of rejection to a proposed idea, often utilized by Binh. Frequently used by my buddy Binh when he is confused or surprised at a remark.
(1)Alright Binh we're having anchovy pizza for breakfast.
Binh: What the decause?!

(2)Dan: Wanna go horseback riding?
Binh: Cock that!
Dan: You want to penis that?
Binh: What the decause?!
by daaanaaaan August 24, 2006

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