Whiff is a common name for various species of flatfish. It may refer to: Whiff or Megrim (Lepidorhombus whiffiagonis), a species of flatfish in the family Scophthalmidae Anglefin whiff (Citharichthys gymnorhinus), a species of flatfish in the family Paralichthyidae Horned whiff (Citharichthys cornutus), a species of flatfish in the family Paralichthyidae Sand whiff (Citharichthys arenaceus), a species of flatfish in the family Paralichthyidae Veracruz whiff (Citharichthys abbotti), a species of flatfish in the family Paralichthyidae Other uses Whiff (Thomas & Friends), a fictional steam engine Whiff (baseball), a baseball term A stroke in multiple sports, including golf and tennis, whereby the player misses the ball completely An odor One or more possible whiffs of oxygen before the great oxidation event See also WIFF (disambiguation)