To be old, elderly, or just older. Can be either used nastily (A), or joking around.

You are officially an old fogey when you reach 50 years of age.
A: "OMG Look at that guy, he's such an old fogey!"
by an old fogey July 17, 2010
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A hat that is for old men and woman that are older than 80, that have grey or white hair.
"Hey look at at that old fogey hat, it will be perfect for your grandfather!"
by Jacquez M December 25, 2006
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