longbeard

long +‎ beard

longbeard (plural longbeards)

1. A male senior citizen.
   • 2009 January 31, Glenn Collins, “A Slow New York Passage, Up to Organic Food”, in New York Times‎:

     For those who have never navigated “Fairways,” as some longbeards call the original store — there are satellites in Harlem and Brooklyn and on Long Island, with another planned for New Jersey — it is a low-ceilinged warren under pitiless fluorescents.

• old banger