As fuck is a common way to end sentences in slang language — for example, "I'm drunk as fuck." What is the formal (appropriate) equivalent phrase that gives the exact same meaning and sounds just as befitting?
I do apologize if this question seems bang out of line or impertinent. My intentions are totally pure and it's just that the question has been lingering in my head for some time... plus, I want to quit using it and start using a more appropriate decent phrase.
Note: I'm not after adverbs such as very, extremely etc... I'm looking for a phrase.