Puffer \Puff"er\, n.

1. One who puffs; one who praises with noisy or extravagant commendation.

2. One who is employed by the owner or seller of goods sold at suction to bid up the price; a by-bidder. --Bouvier.

3. (Zo["o]l.)
   (a) Any plectognath fish which inflates its body, as the species of Tetrodon and Diodon; -- called also blower, puff-fish, swellfish, and globefish.

Source: Webster's Revised Unabridged Dictionary (1913)