Long, well-cut, slicked back hair often seen on the heads of those in various money managing fields. This hair style is very often used in the movie business when depicting a banker.

"Banker" derives from the term used to describe the profession of all persons in the money management field, "Flow" deriving from the term for hair most commonly associated with hockey players.
#1: "You're hair is getting pretty long there."
#2: "I know. Almost Banker Flow status."

Matt Bomer (in White Collar), Jon Hamm (in Mad Men), Michael Douglas (in Wall Street (1987)), and just about every character in 'Margin Call'.
by 90sBanker February 3, 2012
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