piss-strainers Share definition Flag The underwear of the elderly or incontinent, frequently odoriferous and sallow. Fucking hell, Mary, Ocardo's come early. Get your piss-strainers on, you old dingbat! piss-strainers by Sir Roy Strong March 10, 2008 0 0 Get merch Get the piss-strainers mug. Buy Now — $32.95 See more merch