n. & adj. — informal, Food & Drink
a 3-litre bottle of hard liquor, such as whiskey.
Type: 5. Frequency — Texas mickey is an informal term for the largest size of hard liquor bottles sold in Canada. The term is most prevalent in Canada (see Chart 1).
See also COD-2, s.v. "Texas mickey", which is marked "Cdn informal".
See also: mickey two-six
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Chart 1: Internet Domain Search, 12 Oct. 2012