overdose

/OW1 V ER0 D OW0 S/
noun
  1. 1

    An excessive and dangerous dose of a drug.

    โ€œdie of a heroin overdose.โ€

verb
  1. 1

    To dose excessively, to take an overdose.

    โ€œBe careful not to overdose on those pills.โ€

  2. 2

    To indulge in something excessively.

  3. 3

    To dose to excess; to give an overdose, or too many doses, to.

Source: https://en.wiktionary.org/wiki/overdose