ติดดิน

From ติด (dtìt, “to be attached; to be fixed; to get stuck; to be tightly close; etc.”) +‎ ดิน (din, “earth; ground; soil; etc.”); literally "to be attached to the earth", "to be bound to the earth", "to be confined to the earth", etc.; probably a calque of English down-to-earth.

ติดดิน • (dtìt-din) (abstract noun การติดดิน or ความติดดิน)

1. (slang) to live a simple life or be simple in style, especially despite being rich, famous, etc.