The act on one licking or sucking on another's pubic hair. When sucked in the public jungle becomes wet just like when it rains, that's how it got its name.
"Drew" man this girl said she'd give me a rainy jungle"

Chris" what's that?"

Drew" it's pretty much getting your pubes sucked"

Chris "no way man she must be a freak"
by 512wilky512 October 20, 2016
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