Top Definition
A (fictional) Fine Malt beverage, from the movie Stoned Age. presumably available in 12oz and 16oz cans as well as kegs. A play on Colt 45, Pabst did not allow the beer to be featured in the movie because it encouraged underage drinking.
"Hey man you should come out an party with us tomorrow night, we got a keg of Ox 45 just waitin' to be punctured."
by Michael Hubs February 08, 2010
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