Exodus 32:5-6
Exodus 32:5-6 AMP
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!” 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].