To describe something that is totally weak, lame, stupid, or horrible.
This class is stale chips....SO boring!
Stale chips, my cat just died.
Nouns; Flakes of dried sperm--always containing entwined pubic hairs and/or smegma (optional)--that exfoliate from the pubic region or undergarment, hours after a sexual encounter.
Your Mom has a full bag of stale chips.