These British insults are brought to you by Ask Reddit.
1. Nonce.
2. Plonker.
3. Muppet.
4. Tosser.
5. Bugger.
6. Pillock.
7. Git.
8. Troglodyte.
9. Wanker.
10. Twat.
11. Cretin.
12. Toe-rag.
13. Bellend.
14. Berk.
15. Wally.
16. Toss pot.
17. Spanner.
18. Daft prick.
19. Knob.
20. Dunderhead.
21. Mardy arse.
22. Dingleberry
23. Wazzock.
24. Numpty.
25. Knave.
26. Lard arse.
27. Melt.
28. Smeghead.
29. Knobjockey.
30. Blithering Idiot.