What is the meaning of the Hadith: "The son of Adam remained until he ate dates with the new (material/produce)?"

There is no hadith (definition) with the exact wording mentioned in the question. The hadith the questioner is referring to is: "Eat dates with fresh dates; for when Satan sees it, he gets angry and says: The son of Adam has lived long enough to eat the new with the old." This hadith is very weak, and even fabricated according to some scholars. Its meaning is that "Satan gets angry if the son of Adam eats fresh dates with old dates, and such a meaning does not align with the virtues of Islamic law, because Satan does not get angry merely from the son of Adam's existence, but rather from his existence as a Muslim obedient to Allah the Almighty."