draino/ˈdɹeɪnoʊ/EtymologyAppellativization from the Drāno brand by S. C. Johnson & Son, constructed from drain + -o.draino means Any drain cleaner. Lexicurio rates it Rare gem — a strength score of 74 out of 100.nounAny drain cleaner.“Farnsworth: they'll burrow so deep into the bowel that not even Hermes' famous Jerk Prunes could dislodge them! Hermes: I call it Caribbean Draino.”