gupslut Share definition Flag A girl from the Japanese animated show Girls und Panzer. Wow, that gupslut has the fattest pair of honkers. I'd let her ride on my Tiger tank if you know what I mean. gupslut by Coddykins August 17, 2018 0 0 Get merch Get the gupslut mug. Buy Now — $32.95 See more merch