What is Poo Pillow?
(v) The act of sneakily farting on a pillow before someone goes to sleep. This way, when the person lays their head to go to bed, they smell poo on the pillow. Also known as the flatulent fluff to many of the vocabulary nazis.
Your roommate's coming down the hall about ready to go to bed. Poo pillow him while I go and try to stall him.