A term used to tell someone that their pants are of poor quality; can be used to end any argument by uttering "Yeah, yeah, you got Walmart pants."
Guy 1: "You so stooped! I big and strong and I kill you!"
Guy 2: "Yeah, yeah, whatever you got Walmart pants."
Guy 1: <insert futile attempts at a comeback>
Sweatpants. Typically sold at Walmart and worn by many Walmart customers.
Boyfriend: Babe, are you ready to go to the grocery store?
Girlfriend: Not if you're wearing those Walmart pants!
Boyfriend: What's wrong with my sweatpants?
Girlfriend: You're going out in public, try to dress like a mature adult.