When asking people how they are in Cantonese, you don’t always have to say 你好嗎 nei5 hou2 maa3. Whether you are talking to your best friend or a family member, you can speak a bit informally.
In a less formal situation, people will just say “What’s up?” 點呀 dim2 aa3.
喂 點呀 wai3 dim2 aa3
“Hey, what’s up?”