geezer
noun
gee·zer
| \ ˈgē-zər
\
\
plural geezers
Definition of geezer
informal
1
US, humorous or mildly disparaging
: an odd, eccentric, or unreasonable person (usually a man)
especially
: an old man
an old geezer It may suggest only that the offender is … a geezer perhaps, too old and set in his ways to know what's new in the world. — Russell Baker