Things That Are Difficult to Say When You're Drunk:
Indubitably
Innovative
Preliminary
Proliferation
Cinnamon
Things That Are Very Difficult to Say When You're Drunk:
Specificity
"Cogito ergo sum"
British Constitution
Passive-aggressive disorder
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."
"Good evening, Officer. Isn't it lovely out tonight?"
"Oh, I just couldn't -- no one wants to hear me sing!"