Exodus 32:5-7

Amplified Bible

⁵ Now when Aaron saw the molten calf, he built an altar before it; and Aaron made a proclamation, and said, “Tomorrow shall be a feast to the Lord!” ⁶ So they got up early the next day and offered burnt offerings, and brought peace offerings; then the people sat down to eat and drink, and got up to play [shamefully—without moral restraint].

⁷ Then the Lord said to Moses, “Go down at once, for your people, whom you brought up from the land of Egypt, have corrupted themselves.