Random Words:
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A number, 1,000,000,000,000,000,000 or 10^18.
There are a quintillion drops of water in the lake.
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A number, 1,000,000,000,000,000,..
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Just fine. Hunky-dory with an expletive added for emphasis. Depending on tone and context the expletive in middle may also indicate sarc..