"Geezer" is a slang term that is usually used to refer to an older person, typically a man. It can sometimes have a negative connotation, suggesting a person who is old-fashioned or out of touch with modern trends and ideas. Full definition
There are a couple of old geezers who wait every day for Coach Paul Smith to come into the drugstore for his morning coffee and when he does they tell him how to run the team. (si.com)
The old men sat around the little plastic table in the crowded restaurant, a trio of geezers in shiny black jackets, mumbling, chuckling, shaking their heads and then blowing across the tops of their brown cardboard cubs of coffee, pushing out their flabby pink old - man lips to do so. (bookpage.com)
The stereotype of the wine collector is a fusty old geezer who likes to stroke his precious magnums by candlelight. (afr.com)