Man 1: *jacking on bus*
Man 1:* sees a hot girl and finishes on her shoulder*
Woman: the fuck? did someone just come on me?
Man 2: yeah that dude over there likes to cumshark women on the bus
As the name suggests, the Fibonacci cumshot is a trail of semen taking the same shape as a Fibonacci spiral. As impossible as such a thing appears, it is easily achievable by standing on a quickly rotating platform and bringing oneself to a violent orgasm. For better results, do so in the vacuum of space. Also known as a fib, or fibbing.