Cartón (en. Cardboard)
/kaɾˈton/
Slang Meanings
To refer to a situation of no importance.
Don't worry, it's just cardboard.
No te preocupes, es solo un cartón.
To describe something that seems fake or superficial.
That project is pure cardboard, it has no foundation.
Ese proyecto es puro cartón, no tiene fundamento.