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n. a drunks belief that no harm will befell them whilst engaged in risky behavior. Usually directly correlated to the amount of alcohol consumed. Not to be confused with Drunk Luck whereas most drunks are able to avoid injury when in accidents.
"Once he got his Beer Vest on, he jumped from the roof into the shallow end of the pool."

"Billy spent half the night putting on his Beer Vest, then he jumped off the dock and wrestled the gator."
by keifermail July 27, 2008
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