fat cat
US /ˈfæt ˌkæt/
UK /ˈfæt ˌkæt/

1.
pez gordo, capitalista codicioso
a wealthy and powerful person, especially one who is seen as greedy or corrupt
:
•
The public is tired of seeing corporate fat cats get richer while ordinary people struggle.
El público está cansado de ver a los peces gordos corporativos enriquecerse mientras la gente común lucha.
•
He was criticized for being a political fat cat, disconnected from the needs of his constituents.
Fue criticado por ser un pez gordo político, desconectado de las necesidades de sus electores.