Ro‧to-root‧er /ˈrəʊtəʊ ˌruːtəʳ/
a US plumbing and drain cleaning company, whose advertising song was written in 1954 and is familiar to most Americans. It goes ‘Roto-rooter, that’s the name -- and away go troubles, down the drain.’

[TahlilGaran] Dictionary of Contemporary English ▲