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 term used to describe a very muscular male , the D is said to stand for DAN an english slang term for '' A BOSS OR A PLAYER '' , and so when you combine the two words BIG & DAN they result in a muscular young man , this term is often used in London UK , but is a popular word spreading on the streets of england.
Example : yoBIG D whats happening my man you cool bro