Why do we shake a little bit immediately after urinating?

Answer:
get rid of the last few drops...

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if u shake it more than 3 times you're playing with it.

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Urine ejected is at body temperature, so some body heat is lost with it. I thought u asked about a bit of shivering. Well we jerk away last few drops of urine in the tip of the urethra by shaking the penis., twice is enough.

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Nothing happence but some drops may fall on your dress.

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to get the last few drops from the end

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