Definition of tank verb from the Oxford Advanced American Dictionary

     

    tank

     verb
    verb
    NAmE//tæŋk//
     
    Verb Forms present simple I / you / we / they tank
     
    he / she / it tanks
     
    past simple tanked
     
    -ing form tanking
     
     
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  1. 1 [intransitive] (of a company or a product) to fail completely The company's shares tanked on Wall Street.
  2. 2 [transitive, intransitive] tank (something) (sport) to lose a game, especially deliberately She was accused of tanking the match.
  3. Phrasal Verbstank (something) up
See the Oxford Advanced Learner's Dictionary entry: tank