What do neutral, upturned, and downturned eyebrows mean?

[Mealworm]

I know it has something to do with infraorbitals. I have very, very neutral eyebrows. They are very even and as neutral as neutral can be. I swear, they are so straight

 

[Juandigomigo22]

I know it has something to do with infraorbitals. I have very, very neutral eyebrows. They are very even and as neutral as neutral can be. I swear, they are so straight

Straight? Nah gay