A Canadian term meaning "Beer Belly" 
Molson, of course, is a brand of beer commonly drank and celebrated in Canada.
Molson, of course, is a brand of beer commonly drank and celebrated in Canada.
Rob: Yo, did you see that guy at the bar? He was fat!
Bob: Nah, dude, that ain't fat. That's a Molson Muscle!
Bob: Nah, dude, that ain't fat. That's a Molson Muscle!
by molsonman January 3, 2009
 Get the molson musclemug.
Get the molson musclemug. by labatt March 27, 2004
 Get the molson musclemug.
Get the molson musclemug. A slang term for a beer belly. Your stomach muscles have been transformed by beer (Molson) into a protruding stomach.
by SoupNotSee November 10, 2010
 Get the molson musclemug.
Get the molson musclemug.