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
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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
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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
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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.
"Now, Frank, the oven's on and I'm off out with the girls; remember to feed the baby, check on the dinner and pay the car tax. Okay?"

"I FECKIN' LARVE YOOO, YOOO FACKIN' SEXY MINX"
by stouffer March 04, 2003
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When you have so much beer that you don't mind the muff (i.e. a little seasoning goes a long way!)
Dude, did you see that guy who drank the whole kegger, he'll have beer muffs later on tonight!

Enough beer and you'll be diving like Jacques Cousteau!
by ArtofAwesome April 12, 2008
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An alcohol induced condition of the ears in which members of the opposite sex sound sexy as hell. Usually accompanied by beer goggles and drunk dialing.
I had my beer muffs on last night when I called my friends ex. Her voice made me fill up a little bit.
by Spudnut October 06, 2012
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Virtual ear muffs created by drinking lots of beer. Music and voices seem muffled and therefore less obnoxious, especially when generated by the person wearing the muffs. They also usually convince the wearer that their singing voice is far better than it actually is.
The neighbor's beer muffs convinced him that the music he was blasting and shrieking along to at 3 in the morning wasn't loud enough to bother anyone.
by Nibs Niven March 10, 2013
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