When a male wears nothing but a shirt in public and his penis is swinging from below his shirt. Recently popularized at Flipside and the Ambient Camping and Winners Circle crowd.
"Hey Joe I bet you you don't have the balls to run around here shirtcockin'!"
by OneLove ATX February 04, 2010
The Urban Dictionary Mug
One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.Buy the mug