1. an old man, especially one regarded as eccentric or unpleasant
Usage: informal; sometimes considered mildly disrespectful

Examples

• My grandfather is a funny old geezer who tells the same jokes every holiday.
• The geezer down the street yells at kids for walking on his lawn.
• That geezer at the coffee shop always complains about the weather.
• He's turning into a real geezer, always talking about how things were better in his day.
• The old geezer fixed his car with nothing but a wrench and some duct tape.