Clear fluid that forms at the tip of the male organ after a prolonged erection. It can form in adolescents with or without stimulation or as a result of sleep or daydreaming; the purpose of such fluid is to provide lubrication during intercourse. Too much boyjuice can lead to a condition called Blue Balls for which the relief is usually masturbation.
Dude, after making out with Kayla, my boyjuice was running down my leg, for real.
The white creamy liquid also known as semen that comes out of one's meat when he has finished bopping it. Bopjuice is characterized by a fast, furious spout, rather than a splooge. Often hits the meat-bopper in the eyes or gets on his clothes.
Dude I was boppin my meat and by accident the bopjuice squirted on my glasses.