Cheap. Second-rate.
White-trash, trailor-park quality.
Refers to most anything made and imported from China/Taiwan.
Uncle Kenny is single-ply. He would only let Aunt Darlene buy Strawberry Suave $1 shampoo, and would never eat out unless it was two-for-one, all-you-can-eat, early-bird special.
That bitch was all decked out in some single-ply bling from the Dollar Tree.
That was one single-ply wedding reception with easy-cheese on ritz and a dollar dance to pay for the honeymoon at the Comfort Inn & Suites.
The loss of the supple softness of an asshole as a result of over using single ply toilet paper. Can be identified as chafing, bleeding, and a burning sensation that causes you to question weather Lucifer himself fondeled you.
Her: Eat my ass
Him: not with that single ply asshole of yours
My ass is getting scratched by this single ply toilet paper!