nou5 saang1 si2 fat1 dou6腦生喺屎忽度脑生喺屎忽度
Jyutpingnou5 saang1 si2 fat1 dou6
Yalenóuh sāang sí fāt douh
Definition
To have one's brain in one's backside; to be extremely stupid or foolish.
slangbodyslang
How it's used
This is a highly aggressive and vulgar way to call someone stupid. It implies that the person's brain is located in their buttocks, suggesting that their thoughts are as useless as excrement. Use it only when you are extremely frustrated with someone's incompetence, as it is guaranteed to cause offense.
Examples
Related words
Common mistake
Do not use this in professional or formal settings, as it is considered very rude and insulting. It is strictly reserved for heated arguments or when venting to close friends about someone you despise.
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.



