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6.
The inability to hear how loud you've gotten after drinking too much.
Candace: Hey, man, I'm right across from you, you don't have to yell.

Alex: Sorry, I've got my Beermuffs on.
by dub1014 June 18, 2007
 
1.
Reduction in sensation of the female genitalia due to excessive consumption of alcohol. This can lead to inadequate physical arousal and/or inability to achieve orgasm. This is the female equivalent of whiskey dick.
That last pint gave Angela the courage she needed to invite Tom back to her place but, alas, left her with a bad enough case of beer muff that she was unable to truly enjoy it.
by cmcdugan May 12, 2006
 
2.
When you're so drunk that the band at the bar doesn't sound as bad as they normally would--might, in fact, start to sound good.
I can't believe I bought that band's CD; I must have been wearing beermuffs.
by Richard Goodness March 21, 2007
 
3.
When your so drunk, Rebecca Black's Friday starts to actually sound decent.
bob (sober): I can't stand this Rebecca Black girl. this song SUCKS!

2 hours later

bob (drunken): it's Fridaaay Fridaaay gonna get down on Friday! partying partying YEAH!

fred: what the hell dude? ahh, must be the beermuffs
by ashleysayswhaaat April 03, 2011
 
4.
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
last night i downloaded the best song when i got home from the club. but i must have had my beer muffs on cause today when i listened to it, i wanted to light my ears on fire and proceed to chip away the charred remains
by jamey d. February 20, 2008
 
5.
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".
She was really annoying, but once I put on my beer muffs, I didn't mind so much.
by Michael Dean July 09, 2005
 
7.
When you're drunk and find yourself dancing to top 40 songs that you normally hate. Similar to concept of beer goggles
Miley Cyrus sounds a lot better after a couple of drinks, when you have beer muffs
by Marza305 March 13, 2014