The aura given off by someone who displays extreme tool-ish behavior. Tool Bag Swag is hard to attain, as only the kings of douchebagery exemplify this quality. People who wear nothing but Polo, rediculous oversized sunglasses, and flat brimmed tool or 59fifty hats have this. Tool bag swag describes the ultimate tool's way of life.
Joe displays his Tool Bag Swag as he lifts up his Polo T-Shirt to flash girls his abdominals in the hallway.