Someone or something that puffs.

Any of several poisonous fish, of the family Tetraodontidae, which have the ability to inflate their bodies when in danger.

A manually-operated inhaler.

A Clyde puffer, a kind of small ship.

(slang) A car left idling to warm up, emitting steam from the rear.

(fashion) An insulated puffy jacket, such as a down jacket.

(derogatory) An alchemist; so named from their constant attendance to the bellows of their furnaces.

The common, or harbour, porpoise.

A kier used in dyeing.

(glassblowing) A soffietta.

(cellular automata) A finite pattern that moves like a spaceship but leaves a trail of debris.