알잘딱깔쎈 /al-jal-ddak-kkal-ssen/
Handle it smartly without being told
An acronym meaning: 알아서 잘 딱 깔끔하고 센스있게 (on your own, well, cleanly, and sensibly). Telling someone to just figure it out the right way.
Examples
알아서 알잘딱깔쎈하게 해줘
Just handle it well and sensibly