catsquare Share definition Flag The substitute word for the word creeper. Creeper is out, catsquare is in. Spread it around like your butter on toast. There's this catsquare at my work, who said he watches me dry clean my clothes every Tuesday at 2. catsquare by ThisSkunk January 27, 2009 0 0 Get merch Get the catsquare mug. Buy Now — $32.95 See more merch