overproof rum Posted on 1 December, 2016 by Will Shenton Booze Type Rum that is bottled above the standard 80 proof (40% ABV). The most popular overproof rums are bottled at 151 proof, and are often floated on top of cocktails before lighting them on fire. Related Links: List of overproof rums Bacardi 151 Rum Cruzan 151 Rum Don Q 151 Rum Related Lingo: rum distillation cask strength spirit