“Do you want us to tell fire to come down from heaven?”
Lord, do You want us to call down fire from heaven to consume them? (Luke 9:54 BSB)
What it sounds like today
A cool but unexplained nickname.
The cultural key
Jesus gave nicknames the way a teacher does with close students: Simon becomes Kepha (Rock), and the Zebedee brothers become Boanerges, likely from Aramaic or Hebrew roots meaning sons of tumult or thunder (the exact etymology is debated). The Gospels show the temperament that earned it: they want to call fire down on a Samaritan village (Luke 9:54), they try to shut down a freelance exorcist, and they angle for the seats at Jesus' right and left hand. The scene that shows why Jesus nicknamed these two Sons of Thunder. A Samaritan village has refused hospitality (because his face was set toward Jerusalem, the rival shrine's city), and the brothers reach for the Elijah precedent: fire from heaven did consume soldiers in Samaria once (2 Kings 1). They have the right scripture and the wrong spirit; Jesus turns and rebukes them, and the very next chapter he makes a Samaritan the hero of a parable.
Recovered meaning
Thunder offered to do God a favor. The brothers' proposal is biblically literate, geographically apt, and completely contrary to the mission; the rebuke, not the fire, falls. Zeal with a concordance is still zeal, and the shepherd is not burning villages.