Перевод сленга. Английский / "американский" английский.

Ближайшим аналогом этого обсценного наречия может служить HALF-ASS (глагол и прилагательное). Смотрим словарную статью и изучаем стилистические пометы.
half-ass (Farlex Dictionary of Idioms. © 2022)
1. (verb, RUDE SLANG) To do something halfheartedly or without one's full effort.
Did you half-ass these posters? There's a bunch of misspellings, and the ink is all smudged.
2. (adjective, rude slang) Done halfheartedly or without one's full effort. Также встречается причастная форма "half-assed."
- It was just a half-ass attempt, so naturally it didn't work.
- Look at these half-assed posters—there's a bunch of misspellings, and the ink is all smudged.
half-ass(ed)
mod. clumsy; awkward and ineffectual. (Usually objectionable.)
- She only made a half-ass try at passing the test.
Интересный пример из словаря современной народной словесности UrbanDictionary:
HALF-ASS JOB - To do something half way, not to the best of your ability or what was required of the job. Usually done in a rush (c оттенком второпях, кое-как, небрежно).
- The slacker did a half-ass job putting up the fence.
Хотя half-ass употребляется главным образом в качестве прилагательного, ничто не мешает носителям конвертировать его в глагол (только в просторечии). Устойчивым считается выражение "do a half-ass(ed) job ON something".
ПРИМЕРЫ:
- I went to work and did a half ass job on everything and got fired! I don't give a shit!
- My first mechanic did a half-ass job on my car when I paid him upfront. [Twitter]
- I thought that they did a half ass job on cleaning, and they didn't mop or clean the bathroom.
- A year later I changed my dentist, seen a new one, & the new dentist told me she did a half ass job on the filling the cavity.
- They were overpriced and did a half ass job on the interior. No part whatsoever was thoroughly cleaned. Simply disappointed. You don't get what you pay for.
- Is it ok to half ass your duties at a job you might consider quitting? [reddit]
- The workers they hire are very lazy and half ass their duties. Management refuse to cover cost of hotel ($385 for 2 nights for a couple).
Что касается региональных вариантов, то в США и Канаде распространен вариант HALF-ASS(ED), а в Великобритании HALF-ARSED.

Do a job to f*ck off. Сделать работу, чтобы отвалили.