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2.
a lunch break from work, wherein one consumes a quantity of alcholic beverages.
Today has been rough; I think it's time for a liquid lunch.
by iminaband February 26, 2004
 
1.
A lunchbreak comprised entirely of alcoholic beverages, and no food.
"With all the lay-offs that morning, it was rough. I hit the bar around the corner for a liquid lunch mid-day."
by Alexandra July 27, 2004