An uncomfortably high decibel noise (most of the time a persons voice) on popular voice chat programs such as Teamspeak or Ventrilo. This is often the result of a poor microphone or the inbound/gain volume being too high.
(verb)
Ricardo: HEY GUYS, WHATS UP? READY TO RAID????
Nate: DUDE! OMG! Ric, turn down your frikkin mic man! You just ear crit the whole room!

(noun)
Ryan: We were in Ice Crown last night on Warcraft, and Danny joined the raid channel to ask how we were doing. His mic was so high, he ear crit the entire channel and caused us to wipe on our fight!
by N8bit July 21, 2010
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