Tekan
https://en.wiktionary.org/wiki/tekan
Etymology
From Malay tekan (“to press or pressure”).
Pronunciation
(Singapore) IPA(key): [ˌtəˈkan], [ˌtə˧ˈkan˦]
Verb
tekan (invariable)
(Singapore, colloquial, slang) To bully or treat harshly, to punish (especially in military contexts).
Example: “just getting ready for the resumption of my regular 11.30pm tekan session!”