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The sickly feeling that is gained once an excessive amount of beer has been consumed in a short period of time that requires fresh air and a strong mind to overcome. Typically after this barrier is hit, the consumer is clear to drink as much beer as possible as it will not re-occur.
"Oi Tom, i've hit the beer barrier, im going outside for some air"
by JHBigBoi September 24, 2012
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