Top Definition
a rather large beer...definately bigger than a pint
i dont want a fucking pint....i want a flaggan beer!
by Philly g-skeezy March 18, 2008
7 Words related to Flaggan
A two litre bottle of cider, mainly used in Ireland
I got a flaggan of cider in the off licence
by plasticcoffee May 06, 2015

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