lao sai

Singapore[ˈlaʊ˦˨ ˈsaɪ˦˨]

verb

To have diarrhoea.

Meanings

verblao sai (invariable)
  1. SingaporeSinglishcolloquialintransitiveinvariableTo have diarrhoea.

    It is like going to a place with no 'jamban' [toilet] but you have to 'lao sai'.

    2012, Oolong Cha, soc.culture.singapore (Usenet)
    1 more example

    But they have no track record! […] How you know their food is clean or not? Wait you eat already lao sai eh?

    2012, Alfian Sa'at, “The Stall Next Door”, in Cooling-Off Day, Singapore: Ethos Books, →ISBN, page 96
nounlao sai (uncountable)
  1. SingaporeSinglishcolloquialuncountableDiarrhoea.

Origin

  1. Hokkien落屎
  2. Englishlao sai

From Hokkien 落屎 (làu-sái).

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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