1. Refer to Scotland and England as being the same
2. Criticize their taste in pop music
3. Stare rudely at their teeth
4. Have them repeat what they said because you didn't understand their London slang after it has been repeated. Twice.
5. Insult the royal family
5 Ways to make an Scottish person angry with you:
1. Refer to Scotland and England as being the same
2. Criticize their drinking habits
3. Stare rudely at their teeth
4. Have them repeat what they said because you didn't understand their Glaswegian accent.
5. Remind them that kilts are in fact a type of feminine skirt.