A term first used by Bill Simmons of ESPN. It is used to describe t shirts that are made to look like team jerseys. Team logo on the front, player name and number on the back. Popular in the baseball world.
by Jrmafia27 December 14, 2008
Get the j-shirtmug. by MrJizzShirt August 8, 2021
Get the J Shirtmug.