Antique

Antique is a slang term that is used to describe something old or outdated. It is often used to refer to a person, object, or idea that is considered out of touch with current trends or modernity. The term is often used in a joking or sarcastic manner to poke fun at something that is perceived as being old-fashioned or behind the times. Examples of how to use it in a sentence:
1. “Did you see his outfit? He’s wearing a neon fanny pack and parachute pants, talk about antique fashion.”
2. “She still uses a flip phone in this age of smartphones, she’s really keeping it antique.”