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A person, usually a male... obviously, that has an intense appreciation of alcoholic beverages (grog). They are not necessarily an alcoholic but just really enjoys drinking grog.
Mate, Johno is a full on grogboy.

He's always got a drink in his hand, he's such a grogboy.

Brian's got a fully stocked bar, he's a legendary grogboy.

He's partying every night like a hardcore grogboy.

Jack Sparrow is a poster-boy for grogboys.
by grogboy March 17, 2011
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