meaning of puffer
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.
3. Any plectognath fish which inflates its body, as the species of Tetrodon and Diodon; -- called also blower, puff-fish, swellfish, and globefish.
4. The common, or harbor, porpoise.
5. A kier.
6. any of numerous marine fishes whose elongated spiny body can inflate itself with water or air to form a globe; several species contain a potent nerve poison; closely related to spiny puffers