Things that are difficult to say when you're drunk:
* Indubitably
* Preliminary
* Proliferation
Things that are Very difficult to say when you're drunk:
* Specificity
* Antidisestablishmentarianism
* Loquacious
* Transubstantiate
Things that are downright impossible to say when you're drunk:
* Thanks, but I don't want to have sex
* Nope, no more booze for me
* Sorry, but you're not really my type
* Oh, no, I just couldn't. No one wants to hear me sing