A portmanteau of the wordssexy 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
When two people want to bone each other but are both too socially inept to make the first move.
The sexual tension in the room had surpassed atmospheric pressure and was making everyone uncomfortable. There was no hope of relief, however, for this was the world's longest Sexican standoff.