Things that are difficult to say when drunk

1. Innovative
2. Preliminary
3. Proliferation
4. Cinnamon

Things that are very difficult to say when drunk

1. Specificity
2. British Constitution
3. Passive-aggressive disorder

Things that are downright impossible to say when drunk

1. Thanks, but I don't want to have sex.
2. Nope, no more beer for me.
3. Sorry, but you're not really my type.
4. Good evening, officer. Isn't it lovely out tonight?
5. Oh, I couldn't. No one wants to hear me sing