A portmanteau of the words sexy and ethnicity used to describe an undefinable trait of women of exotic origins and exotic genetic mixes who define conventional explanation. Who possess a je ne sais quoi. Often measured in terms of spice as compared to the local cuisine.
That girl's partthai and lataina, wow, she has that sexnicity. i.e. Padma Lakshmi
The employment application didn't have enough choices for my sexnicity: straight, gay, lesbian, bi-sexual, transgender, or other. I wasn't sure what to put for male goats, so I selected gay and other.
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.
FRIEND A: "Did you just take a stealthie of me?"
FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"