A person (usually male) with alarming proficiency in all things jizz-related. Since this insult will usually be interpreted as considerably homophobic, you may want to avoid using it in the vicinity of furious flamingos. I find it to be more effective as an adjective, which also conveniently takes some emphasis off of the ever-so taboo gay bashing aspect. A perfect example of a jizzwizard candidate would be one of your poor (aka not rich) friends resorting to acting as a beer queer in order to satisfy his alcoholism. The act itself is not what deserves the ridicule, but the pathetic nature of his financial status. If we've learned anything from the wise Patrick Bateman, it's that poor people require considerable derision. (I hope people take that last tangent seriously.)
Jose Contreras: You cock worshipping jizzwizard! Stop touching my radio!
Bruce Lee: (stares a hole into Contreras' skull) Wow, homophobes are awesome.
Jose Contreras: ...I'm sorry, you can have my radio?
When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.