phrase/ʒ‿ɑ̃ pas e de mɛ.jœʁ/
and that's the least of it, and that's not the half of it, and that's not all, and I could go on, and so on and so forth
Synonyms: et j'en passe
Literally, “I omit some of it and there's even better”. Originally a quote from Hernani by Victor Hugo.