Definition of "to the gills" []

• Entirely or extremely; to the greatest degree possible. (adverb)

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• "Another lot finds the town so hospitable that either they get filled to the gills with some horrible muck called double-dith or they stay sober and desert the service."
• "Amidships, two decks below, the Goya's hydrolab was an expansive work space segmented by long counters and islands packed to the gills with electronic gear – bottom profilers, current analyzers, wet sinks, fume hoods, a walk-in specimen cooler, PCs, and a stack of organizer crates for research data and the spare electronics to keep everything running."
• "That was the Tet-2 campaign, which was a disaster, and William and I lay around doped to the gills with happyjuice while the others died their way through the disaster of Aleph-7."