si2 fat1 lung4屎忽窿
Jyutpingsi2 fat1 lung4
Yalesí fāt lùhng
Definition
Anus or asshole.
colloquialbodyvulgar
How it's used
This term is a blunt, anatomical reference that carries a vulgar tone. It is frequently used in idiomatic expressions to describe someone who is restless or to dismiss something as trivial and annoying. While it is common in casual, heated, or humorous speech, it is highly inappropriate in formal or professional settings.
Examples
He can never sit still, it is like he has worms in his ass.
Related words
Common phrases
to be restless or hyperactive
Common mistake
Avoid using this in any context where you want to sound polite or respectful, as it is considered crude. It is strictly a colloquial term and should never be used in writing unless you are transcribing informal dialogue.
Grammar color guide
Noun
Verb
Adjective
Adverb
Pronoun
Classifier
Particle
Connector
Grammar guides
- QuestionsFrom yes or no questions to asking who, what, where, and when. The patterns you need to ask questions naturally in Cantonese.
- ClassifiersCantonese puts a classifier between a number and a noun, and a bare classifier on its own can mean the. Learn the common ones and how to use them.
- ComparisonsHow to say bigger than, the most, the same as, and not as good as. Cantonese uses 過 where Mandarin uses 比, and that catches a lot of learners out.



