gierlach Share definition Flag Polish slang for a positive role model. Also could be used to denote intense popularity among young (often first-year) college students. i hate the tiny rooms, but my RA at the U is a total gierlach. gierlach by ZackJCUalker June 10, 2008 0 0 Get merch Get the gierlach mug. Buy Now — $32.95 See more merch