Poorly or incompetently done. / desultory

simple past tense and past participle of half-ass

The onager.

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

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

Third-person singular simple present indicative form of half-ass

present participle of half-ass

plural of half ass

In a half-assed manner; poorly or incompetently