one cutting into a talking person; putting one down (slang)
Definitions (粵典–words.hk)
形容詞
形容唔尊重其他人,成日斬亂歌柄,講嘢尖酸刻薄 to interrupt with sardonic, ironic, sarcastic, discouraging comments; to show disrespect
頭先同佢食飯,佢一輪嘴咁講嘢仲要喺度窒頭窒勢,認真冇禮貌。
头先同佢食饭,佢一轮嘴咁讲嘢仲要喺度窒头窒势,认真冇礼貌。
tau4 sin1 tung4 keoi5 sik6 faan6, keoi5 jat1 leon2 zeoi2 gam2 gong2 je5 zung6 jiu3 hai2 dou6 zat6 tau4 zat6 sai3, jing2 zan1 mou5 lai5 maau6. I was having lunch with him, and he kept bombarding me with sarcasm. How impolite he was!