tiger fish

noun

Definition of tiger fish

  1. :  any of various fishes that suggest a tiger usually either in being extremely voracious or in being marked with black: such as a :  any of several vigorous predaceous freshwater sport fishes (genus Hydrocyon) widely distributed in African rivers b :  piranha c Africa :  a black-striped Indo-Pacific sea perch (Therapon jarbua)

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a trip made at another's expense

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