shart UK /ʃɑːt/US /ʃɑɹt/noun 2verb 1forms 3 noun2 •(informal, vulgar) An instance of sharting.I've been getting the most diabolically wet sharts ever since we ate at that new restaurant on Main. •(informal, vulgar) The resulting excrement from sharting. verb1 •(informal, vulgar) To defecate while farting, typically unintentionally.I sharted while giving a speech and I could overhear people giggling. formssharted · sharting · sharts