Nov 27 Word of the Day
A stupid person; it refers to the lack of surface area on an individual's brain. The general thought is that the more surface area (wrinkles, creases, etc.) a brain has, the smarter the person is. Conversely, a person with a smooth brain (no wrinkles) has less surface area and would therefore be stupid.
That fucking smooth brain put his shirt on backwards again...

That smooth brain is dumber than a pile of shit.
by Tip Tank May 14, 2011
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Welsh/UK slang

(adj): stupid, slow, 'not too bright'
"She's dull as fuck man."
by welshwords17 April 19, 2005
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boring or not fun; used to describe a party

the opposite of "live"
Mike: This party sucks.

George: I know, its so dull.

Mike: This is such a dull night.
by watermelonman123 November 20, 2011
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Dull is an adjective. Dull has two meanings. (1) Boring
(2) Not sharp
(1) β€œMan life can be dull sometimes!”
(2) β€œThis knife is dull. You may need to sharpen it.”
by NerdyTes July 29, 2018
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