Definition: Used as '立flag', this is a code-mixing term used by local student Hong Kongers to refer to being very vocal about what you want to do, but end up doing something that is completely opposite.Usage: E.g. 佢又立flag話以後會減肥，點知佢就走左食buffet。Synonym: 立flagReference: https://www.timeout.com/hong-kong/things-to-do/cantonese-slang-you-need-to-know-right-now
