a person or thing that blows.

a machine for supplying air at a moderate pressure, as to supply forced drafts or supercharge and scavenge diesel engines.

snowblower.

Mining . a jet of firedamp issuing from a crevice.

Slang . a braggart.

supercharger.

Chiefly British Slang . a telephone.

noun

boaster , brag , braggadocio , bragger , vaunter