Online casinos will frequently, and randomly Rain free coins or tokens on players who chat actively in the casino troll box. A Rain-Whore is someone who hangs out all day in the chatbox with the specific purpose of trying to catch as much of the Rain as possible.
Dayamm that Rain-Whore is making bank, don't she ever sleep?
by Ghostnipple December 4, 2019
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A person that sucks a minimum 68" of cock annually.
Joe: I heard she was a Rain Whore.
Bob: No way that's a lot of cock.
Joe: I'm serious she gave head to eight guys just in one night.
Bob: Damn
by Swimming Jesus February 6, 2009
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After a dry spell with women, you suddenly have more loose ladies than you can handle. An embarrassment of riches.

Similar to "when it rains, it pours"
Guy 1: "I haven't met anyone in a long time. Last night I met 3 girls at the bar when I was loaded"

Guy 2: "When it rains it whores"
by Matches&Gasoline January 27, 2023
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