drop one's guts verb1 •(slang, vulgar) To break wind, to fart.“You haven’t just dropped your guts, have you, my dear? There’s a sudden stench in my nostrils, a stench that would stun a smaller man, a man who had not seen service in the trenches, as I have.” — 1993 formsdropped one's guts · dropping one's guts · drops one's guts