post-flush-safety-wipe Share definition Flag The act of wiping one or more times after flushing, so to assure of no leftover residue. "Mister Nate used a post-flush-safety-wipe after using the work toilet." post-flush-safety-wipe by mister nate July 2, 2009 0 0 Get merch Get the post-flush-safety-wipe mug. Buy Now — $32.95 See more merch