1 definition by Tommy Trawler

The muscles- or more likely the lack thereof- found in the male abdominal area. This phrase is a tailor-made justification for excessive amber nectar consumption, and places the onus on drinking a six-pack, rather than having one.
'Been to the gym lately?'
'Nah, but I gave the beer muscles a good workout last night.'
by Tommy Trawler February 9, 2004
Get the Beer muscles mug.