Glossy Taco

The short way of saying 'glossy top coat', because you're too lazy to say the full 'top' and 'coat'. It was made up by the not so logical, simply nailogical.

Cristine : Now, to finish it all off we're gonna put on...
Viewer : A GLOSSY TACOOOOOO!!
Cristine : A glossy taco!
Viewer : YASSSSSSSS