Pintlifter

pint·lifter | \ˈpīntlifter \
Noun (informal):
One who lifts pints of beer at a bar instead of weights in a gym; a soft-bodied person with a prominent beer gut who values partying and the consumption of alcohol, especially beer, over fitness and healthy eating.

“Sam is the stereotypical pintlifter; a prolific beer drinker who, on any given day, can be found in downtown bars showing off his nonathletic, unfit physique and prodigious ability to consume alcohol”