1. Sooner or later, you'll get your conscience smitten.
2. She must be having a few buttons missing. That's why it's useless to argue with her.
3. She should have it coming on her, for she's been too conceited.
4. She's an apple-polisher.
5. I regard him as a stick-in-the-mud. He can't accept anything new.
6. I've never met such an ignoramus.
7. He's a lummox.
8. He is a plain black-brain. We have to work another two days thanks to him.
9. She is tasting her own medicine.