Commonly found variants; note these may range from acceptable alternatives to non-standard forms or incorrect spellings*.
* Singlish is a largely spoken creole, and as such descriptivism (recording forms that reflect actual pronunciation in spoken language, or as appearing in the linguistic corpus) is more pertinent than strict prescriptivism. Nevertheless, the use of more standard forms (or for words originating in languages with Latin script, such as Malay, accurate to the original spelling) is recommended and encouraged.

also can:

so hai

sohai

Cantonese:

傻𲈹

jyutping:

so4 hai1

expand for details Detailed etymology

definitions

noun

  1. (vulgar, offensive) stupid cunt; stupid fuck
  2. Malaysians in particular seem to love this word. People who spend a lot of time with Malaysian gamers on games like DoTA or League of Legends (LoL) would be familiar with the oft-repeated ‘sohai’.

    — 2021 September 7, LearnDialect.sg. Cantonese Swear Words: 7 Words & Phrases You Should Know (Better). https://www.learndialect.sg/singapore-cantonese-swear-words-vulgarities/

  3. (vulgar, offensive) idiot; dumbass; general term of abuse of a contemptible person

adjective

  1. (vulgar, offensive) stupid; idiotic
  2. Nabei ... Change ur name to sohai dog la pcb delivery 1 food u also cannot do properly

    — 2020 August 2, @divijfn. Twitter (nka X). https://x.com/divijfn/status/1289930248750903297