(UK, informal) A tax on sugary prepackaged milk-based drinks, which were formerly excluded from the tax on sugary drinks.
The milkshake tax will increase the cost of a latte as well as a milkshake.
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UK and Irish slang — Cockney, Scouse, Geordie, Yorkshire, Glaswegian, Brummie, Welsh, West Country, plus Irish English. Centuries of regional dialects feeding into modern British and Irish street talk.
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