French phrase
C'est trop gras.
Meaning
It's too greasy.
When to use it
Food has too much oil or fat and is hard to eat. It is casual and direct, especially as a frank comment on taste or texture.
Example dialogue
C'est trop gras.
It's too greasy.
Tu veux que j'ajoute du citron ?
Do you want me to add some lemon?