blow to kingdom come
blow (someone or something) to kingdom come
1. slang To kill someone with gunfire or an explosion. "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 blow you to kingdom come!"
2. slang To destroy something with an explosion. If we blow these rocks to kingdom come, we should be able to rescue the trapped hikers from the cave.
blow someone or something to kingdom come
Fig. to destroy someone or something by means of an explosion. You'd better get that gas leak fixed or it will blow you and your car to kingdom come.