When the people saw that Moses had not come down from the mountain but was staying there a long time, they gathered around Aaron and said to him, "We do not know what has happened to this man Moses, who led us out of Egypt; so make us a god to lead us." 1
References for Exodus 32:1
Aaron said to them, "Take off the gold earrings which your wives, your sons, and your daughters are wearing, and bring them to me."
So all the people took off their gold earrings and brought them to Aaron.
He took the earrings, melted them, poured the gold into a mold, and made a gold bull-calf. 2 The people said, "Israel, this is our god, who led us out of Egypt!"
References for Exodus 32:4
32.4 1 K 12.28; Ac 7.41.
Then Aaron built an altar in front of the gold bull-calf and announced, "Tomorrow there will be a festival to honor the Lord."
Early the next morning they brought some animals to burn as sacrifices and others to eat as fellowship offerings. The people sat down to a feast, which turned into an orgy of drinking and sex. 3
References for Exodus 32:6
32.6 1 Co 10.7.