Meaning a large, over-hanging beer belly - Mainly Mancunian slang.
Check the Derby on that fat fucker!

I bet that dude hasn't seen his cock for a while with a Derby like that.
by Francisco Ubermann April 17, 2007
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To be overwhelmingly intelligent. A Derby is likely to become an engineer, scientist, or local techie. Derby's are avid readers and sci-fi junkies. Look for one at the next star trek convention. A derby is also usually a pisces.
Einstein was a famous derby and a pisces.
by Derby J Armstead October 16, 2007
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Nickname of the coolest kid in Frederick County, MD, who gets in the derby zone when intensely twisted. :) he name ees derby
Yo Derby, pass me the blunt nigga?
by derbyshire22 November 26, 2010
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The worst city in the world! But its located next to the best city aka nottingham. It has bad garages, Bad trafic and the worst football team known to man
Me - where you from
Person -Derby

Me - get out
by Broham July 19, 2016
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The word given to the Australian Rules Football match betwen the Fremantle Dockers & West Coast Eagles. It is called the Western Derby because both team are from the same city.
When the to Frematle Dockers & West Coast Eagles play each other the match is refered to as the Western Derby
by Dave April 9, 2005
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The world's shittest place, only claim to fame is being next to Nottingham (The worlds best city) and having the team that got the lowest amount of points in a premier league season.

People residing in Derby (I.e London=Londoners) are known as sheep shaggers.

Also an extremely offensive word that isnt aloud to be said on British Television before the 9pm watershed, the bbc where fined a record amount after it was said on a live show.

Derby is also used as an alternative word to beastiality, particularly sheep/human beastiality.
"Lets go to Derby"
"Fuck that I would rather stick my testicles/tits in a blender"

"D*rby"

"Your teams doing a bit of a derby"
"How dare you"

"Err I saw your mum doing derby with your dog"
"Im gonna knock you the fuck out"
by Robin Hoodie March 6, 2008
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