a t shirt that was worn by a fat person for so long the belly part has inflated and given the t shirt the shape of a b.
person 1: let's get six third pounder and four large fries for dinner.
person 2: dude now i get why you always wear b shirts
person 2: dude now i get why you always wear b shirts
by fucko1 June 6, 2010
Get the b shirtmug. when a man tucks his shirt into his trousers, then forgets to zip his fly up and the end of his shirt sticks out the gap.
by ProperRadge June 11, 2010
Get the Shirt Nobmug. An extremely comfortable shirt given to a “significant other” who spent the night and needs a spare change of clothes to look stylish on their walk home
by Nunyabizness69 January 11, 2022
Get the Shacker Shirtmug. by hg_19 June 22, 2018
Get the dad shirtmug. by mutant-lizard February 3, 2010
Get the shirt hamsmug. by Wolfpacknz November 12, 2022
Get the One shirtmug. A large, baggy shirt with unusual excess armpit fabric. Wombats are great in the winter and sweaty in the summer. (But we wear them in the summer anyways) A good wombat is always belted with a thick, matching, but not to flashy belt.
If you buy an overly HUGE shirt and belt it to make it look good, then u have a wombat shirt, congrats!
by 1 wombat at a time November 29, 2011
Get the Wombat Shirtmug.