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by nathansworld
What is this?
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by Paul_Johnson
I reckon fans that have been blown in 3 different directions, creating this unusual pattern.
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by fuzzball172
If the winds blowing when the plumes erupted, were quite weak, you would get a broader fan, if there were no winds you would get a blotch. The thinner the fan, the stronger the wind carrying the ejaculate. You can replicate this with a fairly fine nozzle hosepipe and different wind conditions.
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