a kid that is indian, meaning they are very intelligent; whom also refers to himself or herself as brown or light brown, a nickname can also be a brownie.
Dude Jensen is such a brown kid I wish I was him
A person who is from India, and thus is BROWN.
This also implies that they are extremely intelligent.
Other names for a brown kid:
Apple Care Technician
"Hey did you study for the calculus exam this week?"
"No, let's sit next to the Brown Kid ;)"