Megagallon
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A unit of volume equal to one million gallons.
"This time it came up during a trip to Louisville, four days after the Kentucky Derby, where bourbon-spiked mint juleps flow by the megagallon, filling Churchill Downs’ infield with a sea of swaying, semi-conscious hell-raisers, some of whom might even be horseracing fans."
Example
More examples"This time it came up during a trip to Louisville, four days after the Kentucky Derby, where bourbon-spiked mint juleps flow by the megagallon, filling Churchill Downs’ infield with a sea of swaying, semi-conscious hell-raisers, some of whom might even be horseracing fans."
Etymology
From mega- + gallon.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.