eargasm

[Jonathan Lighter]

Not in OED. 268,000 Google hits. At Urbandictionary.com for several years.

2008 http://www.youtube.com/watch?v=XhJp0W0ku2w

"Oh my god their voices are like an eargasm XD"

"XD" seems to be an emoticon meaning something like "so happy, I'm dead."

JL

-- 
"If the truth is half as bad as I think it is, you can't handle the truth."

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The American Dialect Society - http://www.americandialect.org