1. n. Cheap, re-released domestic beer popular during the early to mid 20th century now purchased by younger consumers due its novelty and inexpensive price.
2. Beer that tastes like the first sip of your dad's beer when you were 10.
Ex. Pabst Blue Ribbon, Shlitz, Coors, Miller High Life, Miller Genuine Draft, Carling Black Label, Blatz, Red Dog, Budweiser, Colt 45, Strohs, anything that comes in a 30 pack for under $20.
"Whoa, $12 for a case of Blatz?! Dude, this tastes like piss!"
"Yeah, man. It's dad beer!"