fuddy-duddy
1. noun Someone who is old-fashioned or crotchety. Brenda's friends call her an old fuddy-duddy because she never stays out past 9 o'clock at night. He's always been a fuddy-duddy, so I'm not surprised he didn't stay for a drink. Geez, you act like I'm a total fuddy-duddy who spends his days playing chess in the park with the old men!
2. adjective Old-fashioned or crotchety. You look a little fuddy-duddy. You don't have to get so dressed up, we're just going to the movies. One of my fuddy-duddy aunts is insisting that we have to get married in a church. My parents have some pretty fuddy-duddy beliefs about video games—as in, they never let me play them.
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