snart UK /snɑːt/US /snɑɹt/noun 1verb 1forms 3 noun1 •(slang) The phenomenon where one sneezes and farts at the same time.While an occasional fart makes us laugh, snarts never do. — 2009 verb1 •(slang) To fart while sneezing.Basil choked out a laugh of his own. “It snarted?” “Snart?” She wiped at her eyes. He grinned. “Sneeze-fart. It's a thing.” — 2017 formssnarted · snarting · snarts