A non-alcoholic six pack preferred by people that live a straight edge lifestyle. Most commonly a six pack of Root Beer that comes in a beer-type carrier.
Person A: Hey dude, you going to that kegger tonight?
Person B: Yea, but I'm not drinking cause I'm Straight Edge.
Person A: So am I, that's why I'm taking a Straight Sixer.
Person B: Yea, but I'm not drinking cause I'm Straight Edge.
Person A: So am I, that's why I'm taking a Straight Sixer.
by Joshua TX July 30, 2011
Get the Straight Sixermug.