1 definition by ThatGuy15003

the act of a male exercising in short shorts, a muscle shirt, and sweatbands while moving, listening or acting like Richard Simons. aka exercising like a tool.
guy 1: dude, josh is Simoncising at the gym

guy2: yeah I saw him, what a tool.
by ThatGuy15003 November 23, 2013
Get the Simoncising mug.