See also "beer goggles". A certain level of alcohol intoxication renders otherwise attractive people who are annoyingly talkative, less annoying. An ugly annoying person would require both beer goggles and beer muffs. AKA "beer plugs".

when you think you heard something spectacular only to find out the next day that it wasnt nearly as good as you thought
similar to beer goggles only using hearing not vision

When you have so much beer that you don't mind the muff (i.e. a little seasoning goes a long way!)

n. Mystical auratory additions which remove the necessity for sensiant conversation, and replace any understanding of people speaking to you with a garble mess, to which a derogatory response is necessitated by being stunningly pissed.