The identifying markers that an aggie
uses to make sure his undies are on the correct way. This is done by following the mantra that he learned at orientation, "yellow in the front, brown in the back". See also: skid marks
, hershey highway
When joe bob picked up his whitey-titeys off the floor, he repeated to himself "yellow in the front, brown in the back", and succesfully used his aggie laundry marks to correctly don his drawers.