The world is a scary place. I'd say you're safe here, but I'd be lying. 

1. Nope. No longer want thumbs.

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Random-Miser

2. Whatever this thing is, nope thank you.

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jargo1

3. Nope. Time to stop with science.

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Jackthejew

4. BRB, investing in a bidet.

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vecycl

5. Some people call this a coconut crab. Others call it a reason to move.

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GotMittens