A Daddy Nagan is a term used to describe a "shoulder" of spirits.

This slang is predominantly used in the north Kildare amongst alcoholic youths.
Person 1: Story boys, Anto, tell Johno to tell Deco that I want a Daddy Nagan of vodka for the session I'm going to
by YOURMOTHERTHINKSIMHOT August 24, 2009
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