THINGS THAT ARE DIFFICULT TO SAY WHEN YOU'RE DRUNK:

Indubitably
Innovative
Preliminary
Cinnamon

THINGS THAT ARE VERY DIFFICULT TO SAY WHEN YOU'RE DRUNK:

Specificity
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