ปิดบัญชี(bpìt ban-chee)

[to] close an account

To terminate a relationship with a financial institution or service provider by settling any outstanding balance and deactivating the account (e.g., a bank account, credit card, or social media account).

[to] close the books; finalize accounts

In accounting, to finalize all entries for a specific accounting period, ensuring that no further transactions can be posted to it.

[to] settle accounts; finish off [sb] (fig.)

(Figurative) To end a matter once and for all, often by taking final action against someone; in crime/news, can imply finishing off the person.