A full mustache or 'stache worn in fu manchu style with a goatee, with or without a patch, in the style of former St. Louis Cardinals home-run hitter Mark McGwire.
by bongoman January 15, 2008
Get the McGwiremug. Originating from old Irish, the McGwire was the village man who always thought of himself as big and grand, when in reality it was much talk. The McGwire would always be hated upon by other villagers.
by mewmewmewmewmewmew May 17, 2013
Get the McGwiremug. It's where you teabag someone with your ass near their nose and fart into their nostrils, causing them to spit your balls into the air
by E FeAzY August 27, 2007
Get the Mark Mcgwiremug.