half-ass

/หˆhรฆfรฆs/

IPA: /HH AE1 F AE0 S/

verb
  1. 1

    To perform a task incompletely or carelessly. Usually considered derogatory or insulting.

adjective
  1. 1

    Produced in an incompetent or desultory manner, or of something lacking in quality or substance; of low rank; incompetent.

Source: https://en.wiktionary.org/wiki/half-ass