You see the clouds in the sky? They are made of tiny water droplets. At some point the cloud is saturated and the droplets get too big to stay suspended in the air any longer, so they start falling towards the earth as raindrops. Some may hit a cyclist and either roll off their raincoat or get absorbed by other clothing until they evaporate again, travelling upwards into the clouds and starting their journey all over again.
Yeah, every word is made up. Looks like this one is made up “from lonia, the ancient region (western Asia Minor) occupied by the lonian people” as it says in the graphic as well as the suffix “stan”, which you probably know from some other countries and “is Persian and Urdu for “place of” or “where one stands”” according to dictionary.com.