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1. The next world: a bomb that could blow us to kingdom come.
2. The end of time: You can complain till kingdom come, but it won't help.
[From the phrase thy kingdom come, in the Lord's Prayer.]
1. the next world; life after death
2. informal the end of the world (esp in the phrase until kingdom come)
3. informal unconsciousness or death
the hereafter; heaven.
[1775–85; extracted from the phrase Thy kingdom come in the Lord's Prayer]