This is the 4642nd most frequent Turkish word.
bitsin
"Bitsin" means "Let it end" or "May it end" in English.
"Bitsin" is used to express a wish or desire for the action "to end" for the job.
Bu iş artık bitsin.
Let this work finally end.
"Bitsin" is part of a clause expressing the speaker's wish for something not to end.
Akşam çok güzel geçti, hiç bitsin istemiyorum.
The evening was very nice; I don't want it to end.
"Bitsin" indicates the completion of the cleaning task before moving to the next action.