The foreigners who had joined the Israelites began wanting other things to eat. Soon all the Israelites began complaining again. The people said, “We want to eat meat!
So they turned against Moses and started arguing with him. They said, “Give us water to drink.” Moses said to them, “Why have you turned against me? Why are you testing the Lord?”
Moses named that place Meribah and Massah, because this was the place that the Israelites turned against him and tested the Lord. The people wanted to know if the Lord was with them or not.