when a woman is on her period and she is sitting on the toilet, not using it to pee or take a shit, but sitting on it so the period blood drops into the water, periskids are when not all the blood is flushed away with one flush
Person 1: oh yeah we do actually have Perskins. i forgot.
Person 2: Perskins? Yuck, villain. Never would I darken the door frame of my mouth with such vile and dirty morsels such as "the Perskins" You keep nasty chips.
Person 1: Alright then, I'll just put them back.
Person 2: I'll take 5.
Person 1: Ker-ching.