Sack Tap Swag
A person that swings their arms too much as they walk that is very prone to accidentally hitting a persons balls on the backswing.
Person 1: "yo dude look how that guy walks"
Person 2: "wow man you wouldn't want to walk behind that guy he's got total Sack Tap Swag"
Person 2: "wow man you wouldn't want to walk behind that guy he's got total Sack Tap Swag"