The harmonica / The panpipes / The Jew's harp

Alternative spelling of poormouth

Involving immediate consumption (especially of food) with no provision for the future; having barely enough to survive, in poverty

The process of breathing through the mouth.

(derogatory, slang) unintelligent, especially when not aware of this

plural of mouth organ

plural of mouthful

(Britain, idiomatic) Alternative form of all mouth and trousers

(Britain, idiomatic) Superficial, engaging in empty, boastful talk, but not of real substance.

That part of a river, estuary or lagoon which broadens out as it meets the sea