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Jyutping naa2 si2 soeng5 san1
Pinyin lá shǐ shàng shēn

Definitions (粵典–words.hk)
  1. 動詞、粗俗
    無​嘢​揾​嘢​嚟​搞​,​無​必要​咁​令​到​自己​處​於​一個​麻​煩​嘅​境地
    to ask for trouble; literally 'to grab shit onto one's body'
    • 你見人哋咁大隻都知自己唔夠打啦,仲要還手,仲唔係嗱屎上身?
      你见人哋咁大只都知自己唔够打啦,仲要还手,仲唔系嗱屎上身?
      Couldn't you see that's he's strong and muscular and you don't stand a chance against him if you fight back? If that isn't asking for trouble, then I don't know what is.

[----]

Jyutping laa2 si2 soeng5 san1
Pinyin lá shǐ shàng shēn

Definitions (粵典–words.hk)
  1. 動詞、粗俗
    無​嘢​揾​嘢​嚟​搞​,​無​必要​咁​令​到​自己​處​於​一個​麻​煩​嘅​境地
    to ask for trouble; literally 'to grab shit onto one's body'
    • 你見人哋咁大隻都知自己唔夠打啦,仲要還手,仲唔係嗱屎上身?
      你见人哋咁大只都知自己唔够打啦,仲要还手,仲唔系嗱屎上身?
      Couldn't you see that's he's strong and muscular and you don't stand a chance against him if you fight back? If that isn't asking for trouble, then I don't know what is.
Definitions (Kaifangcidian)
  1. 自找麻煩 – 自找麻烦
  2. 惹一身臊
  3. 自找苦吃
  4. 招來麻煩 – 招来麻烦

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Jyutping laa2 si2 soeng6 san1
Pinyin lá shǐ shàng shēn

Definitions (CC-CANTO)
  1. asking for trouble (spoken)
Definitions (Wiktionary)
  1. phrase, Cantonese, idiomatic
    to bring trouble on oneself
Examples (Wiktionary)
  1. Cantonese
    揦屎上身
    揦屎上身
    laa2 si2 soeng5 san1
    • (literally) to grab shit and put on oneself