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Cheap macro beers that your father (a.k.a old man) probably enjoyed drinking back in the day. Examples include Hamm's, PBR, Schlitz, Old Style, Rolling Rock, Stroh's, and Blatz.
Person 1: Your fridge is full of PBR and Hamm's?!
Person 2: What can I say, I'm a big fan of old man beer.
by JustAnotherNeighbor March 13, 2018
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The beer that you've been drinking since you started drinking so even if there is better stuff you still drink that beer because it's what you're used to.
"I know Bud is terrible but I drink it anyways, it's my old man beer."
by Arbitrary December 29, 2013
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3
Cheap macro beers that your old man probably enjoyed drinking back in the day.
Person 1: This fridge is full of cans of Old Style, Hamm's, and Stroh's.

Person 2: You mean old man beer?!
by JustAnotherNeighbor May 08, 2018
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