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.
by MjohnM May 11, 2006
The act of a male grabbing his shaft and thrusting mightily until he expels bopjuice and his shaft then goes limp.
"Dude, I came back to the dorm room early last night and I caught you boppin your meat. Next time you do that, lock the door man."
by MjohnM May 11, 2006