An employee called me 'Bhaiya'. Yes, BHAIYA

So, I work at a typical corporate where Yes sir, Ok ma'am, Sure boss is the norm.

This one employee, a girl in her early 20s maybe randomly called me 'Ok bhaiya' during a meeting just casually. Never in my wildest dreams had I imagined being called a bhaiya that too in office, that too by a female colleague. Is this some new trend in this Gen Z?

Since then I'm not able to focus on work, a lot of thoughts are running. It feels everyone is talking about me only. Do I look like bhaiya? Why would she brozone me just aivye hi? Will someone next call me uncle? What about daadu?

Urgggghhhh, what should I do??? One thing I've done is addressed that girl as 'beta', let's see how she reacts. Idk what I'm doing and why I'm doing. Too confused.