Top Definition
it means Boring
Today Is a dull day
by AC November 24, 2003
Welsh/UK slang

(adj): stupid, slow, 'not too bright'
"She's dull as fuck man."
by welshwords17 April 19, 2005
not too bright
Tomorrow is gonna be a dull day
by mr welsh August 27, 2009
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
Jon DesJardins
dull has a picture of Jon DesJardins next to it in the dictionary
by phillygoat July 10, 2008

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