หลังคาแดง

Etymology
From 🇰🇲; literally "red-roof(ed)"; after the notable red-roofed building, opened in 1911, of the "Hospital for Persons of Unsound Mind" (โรงพยาบาลคนเสียจริต), the first modern mental hospital of Thailand, established in 1889, now known as the.

Noun

 * 1)  lunatic asylum; mental asylum; mental institution; psychiatric hospital.