Teenagers are so smart!
Did you know Snapchat lets you make custom stickers?
Well, 18-year-old Emma Young remembered as she arrived at her usual salon.
It has been re-tweeted and replied to over 10,000 times in the last two days.
Strokes of genius like this do not go unnoticed.
I have double checked and this particular slang term does not seem to involve actual fire.
Hopefully this news will revolutionize the way a generation does their nails.