Hedge funds are neck-deep in these derivatives, and if something goes wrong, the pain will be widespread.

FORBES: A Dangerous Game

By the time he came back to Stanford in 1992, Khosla was neck-deep into manipulating soil bacteria to make better drugs.

FORBES: A Dirty Business

Water buffalo swim neck-deep in the channel.

NPR: Iraq's Marshlands Face A Second Death By Drought

While Jackson, who has the neck of a bulldog, hands as thick as veal chops, and the deep drawl of a Southern preacher, is the undisputed ringleader, he can be a bit of a wallflower.

FORBES: Inside the Million-Dollar Garage Of The Man Behind Barrett-Jackson Auctions

After being passed by I'll Have Another deep in the stretch, Bodemeister hung on for second, finishing a neck ahead of the fast-closing Dullahan.

WSJ: I'll Have Another Wins Kentucky Derby