Emoticon to make a troll face on Facebook. Often used to show between anyone else.
Source: Art of Trolling
Person 1: YOU RAPED MY GIRLFRIEND DIDN'T YOU?!
Person 2: No, I'd never do such a thing (:D))
2👍 7👎
Essentially when something (mainly the fingers and mouth) get covered in orange cheese dust from eating cheesy snacks (Cheetos, Doritos, etc)...
Person A: Dammit, why are your fingers so Cheetoey?
Person B: Because I love my Cheeto puffs!