blow, send, etc. somebody to kingdom come
send (someone or something) to kingdom come
1. slang To kill someone with gunfire or an explosive device. "Kingdom come," a phrase taken from the Lord's Prayer, refers to heaven or the afterlife. The robber waved his gun and shouted, "Get back, or I'll send you to kingdom come!"
2. slang To destroy something with an explosion. If we send these rocks to kingdom come, we should be able to rescue the trapped hikers from the cave.