GAFGO
A GAFGO is like a fake diamond. Shiny at first, but when you look closer, it’s just a piece of glass and your hopes are shattered.
He had a nice beard, but when I got close, it was just a beard and a lot of lies.
She had nice hair, but her breath smelled like week-old tacos.
That guy had a nice laugh, but his personality was a punch in the gut.