爛頭蟀 (laan6 tau4 seot1) — someone who fights ferociously, especially a gangster; someone who is willing to risk it all despite being in a disadvantaged position in Cantonese
laanˍ₆爛tauˎ₄頭seotˉ¹蟀简 烂头蟀
Mandarin Pinyin: lan4 tou2 shuai4
Meaning of 爛頭蟀
nounsomeone who fights ferociously, especially a gangster; someone who is willing to risk it all despite being in a disadvantaged position