a shady person who likes to pull lame pranks. a Big D normally hustles you in bowling and often threatens to kick you out of his car on the way back from Tahoe. a Big D lives in head house or commonly known as homo house.
Big D is a shady hustler.
by jockpenthouse January 17, 2011
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A really huge dickhead who is incredibly full of himself and does not see that he is a complete ass hole.
by W.e. Man April 22, 2011
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variation of Big Deal homie, "Big Deal"
'Yo man, i scored ten TD's on the weekend'

'So what man? Big D!'
by J & A Banger June 7, 2007
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Big D. Although he does not have a big d, he is big in size other ways. His personality is big and his bum? Even bigger
Woah big d has such a valuptuous bottom!!!
by Ghende August 24, 2021
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Big D. Although he does not have a big d, he is big in size other ways. His personality is big and his bum? Even bigger
Woah big d has such a valuptuous bottom!!!
by Ghende August 24, 2021
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Big D. We are grateful for him. He is called big D for a reason. Not cos he has a big d. it is rather small. But his personality is big
Big D? Very sexy
by Ghende August 24, 2021
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Nickname Dudley Dursley's friends call him in OotP.
"How long have you been 'Big D' then?" said Harry.
-OotP (US 13)
by Lily Evans July 24, 2004
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