Basically, your balls are so sweaty and smelly that you have no choice but to wash them to keep any remnants of dignity. Thing is, your only option is the sink in the public restroom. So you drop those shorts, flop your boys in, and proceed to splash them in a Jamaican-style fashion.
Question: I gotta pick up my girlfriend at the bus stop in 5 minutes and I still have this whore's crotch-scent on my balls! I don't even have time to shower! What do I do?
Answer: Jamaican Ball Splash!