oe̍h-tut-tut狹突突

narrow

narrow; tight (of rooms, pants, etc.)

ideophonic

English Wiktionary, “狹突突” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E7%8B%B9%E7%AA%81%E7%AA%81 · confidence: Medium (Wiktionary)