snifters noun[plural only]2 •(Scotland) A disease of poultry causing a nasal discharge. •(Scotland) Synonym of sniffles or snuffles (“a minor ailment causing blocked nostrils or a runny nose; a cold”).The only disease I can remember to have seen in winter is what is vulgarly called the snifters, that is, a discharge of matter from the nose, which causes a noise in the nose like stifled breathing. — 1844
