Simple Definition of geezer
: an old man
Full Definition of geezer
: a queer, odd, or eccentric person —used especially of elderly men
Examples of geezer
a group of old geezers playing cards
Some geezer asked me for a light.
Origin of geezer
probably alteration of Scots guiser one in disguise
First Known Use: 1884
Seen and Heard
What made you want to look up geezer? Please tell us where you read or heard it (including the quote, if possible).