Group of girls laugh at me ( Is I'm chopped or what )

While returning home today with my mother , I was enter in a random local street and there was a bunch of girls there , I lower my head and came ( I usually just scared of girls most of the time ) and then while I'm going a girll say " dekh brabar mai " 3 girls moves and laughing violently after that.

This is not the first time , I face this many times. After all I came home and ik my whole day will be ruined by overthinking about this moment.

Ik Im a speed walker ( a man who walk faster than avg/usual speed ) but i don't think so this is the problem

Is I'm chopped or what

Is there anything that I can do for preventing this ?