PUP List Share definition Flag A slang term for a woman being on her period. Refers to the "Physically Unable to Perform" list of the National Football League. I couldn't have sex with my girlfriend last night because she's on the PUP List. PUP List by Ratt Moss July 15, 2011 0 0 Get merch Get the PUP List mug. Buy Now — $32.95 See more merch