pi sai

Singapore/ˌpiː˨˩ ˈsaɪ˦˨/Singapore/ˌpiː˨ -/Singapore[ˌp˭-]Singapore[ˌpʰ-]

noun

Hardened snot, booger.

OriginHokkien 鼻屎 ← Teochew 鼻屎 →
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Meanings

nounpi sai (countable and uncountable, plural pi sai)

alternative bi sai

  1. SinglishcountableuncountableHardened snot, booger.

Origin

  1. Teochew鼻屎
  2. Hokkien鼻屎
  3. Englishpi sai

From either or both Hokkien 鼻屎 (phīⁿ-sái) and Teochew 鼻屎 (pin⁷ sai²).

More words from Hokkien, Teochew

Full word history & related roots →
Cite this entry
APA

pi sai. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/pi%20sai

MLA

“pi sai.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/pi%20sai. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “pi sai,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/pi%20sai.

Source: pi sai on Wiktionary, CC BY-SA 4.0.