girl 1: hey, what's with these ugly pants in the back of your closet? girl 2: oh, those are just laundry pants
a pair of pants that are so ugly and/or uncomfortable that the fact that one is wearing them indicates that one hasn't done laundry in a long, long time
"girl 1: hey, what's with these ugly pants in the back of your closet? girl 2: oh, those are just laundry pants" What is the definition of "laundry pants"?