Hong Kong Code-mixing Dictionary

Definition: A romanised code-mixing phrase used by westernised Hong Kongers to refer to a year where one’s Chinese zodiac offends or clashes with the God of Tai Sui, which means the fortune of the year will not be as smooth as others.

Usage: I was born in the year of the snake and I am fan tai sui this year! Let’s go to the temple to pray for protection and peace!

Synonym: 犯太歲

Reference: https://chinesenewyear.net/zodiac/tai-sui/