gooch /ɡuːt͡ʃ/noun 1verb 1forms 3 noun1 •(slang) The perineum.For those unfamiliar, Johnson helpfully informs us that 'it's for your gooch, your Biffin's bridge, your perineum (the bit on your bum that after days in the saddle starts to chaffe).' — 2008 verb1 •(slang) To blunder or bungle; goof.Olly, you gooched it! Fix it! — 2017 formsgooched · gooching · gooches