From Wiktionary, the free dictionary
Ultimately from Middle English spouten (“to spout”).
spùt m (genitive singular spùta, plural spùtan)
- spout
- (vulgar) diarrhea
- Edward Dwelly (1911) “spùt”, in Faclair Gàidhlig gu Beurla le Dealbhan [The Illustrated Gaelic–English Dictionary][1], 10th edition, Edinburgh: Birlinn Limited, →ISBN