Hong Kong Code-mixing Dictionary

Definition: Pronounced as 'shalup', this is a code-mixing term used to tell somebody to shut up immediately.

Usage: E.g. 好鬼嘈呀！快D shalup啦！ E.g. 同學：Shalup！老師就快到喇！

Synonym: 收聲

Definition: (textspeak) A Kongish code-mixing phrase used by local student Hong Kongers to tell somebody to shut the f*** up.

Usage: E.g. Stop blowing water! Sau pei la! (Quit bragging! Shut up!)

Synonym: 收皮

Reference: https://thehoneycombers.com/hong-kong/hong-kong-slang-urban-dictionary/

Definition: A more polite way of telling somebody to shut up or '收皮' in Cantonese, which means to pack their things up and leave. (Also see 'collect skin')

Usage: E.g. Off啦你，成日咁多野講。E.g. Off啦你，成日搞搞陣冇幫襯。

Reference: https://zolimacitymag.com/pop-cantonese-收皮-collect-skin/