Ohsh Share definition Flag It's 'oh, shit!' fast, and cut off into 'oh, sh--!' because sometimes someone you can't swear around is in your vicinity. It becomes 'ohsh', following perfectly from the beloved 'oh, shit!' Kid: "OHSH!" Parent: "What did you say?" Kid: "I didn't cuss, if that's what you mean!" Ohsh by Risu October 18, 2008 0 0 Get merch Get the Ohsh mug. Buy Now — $32.95 See more merch