Made up by two idiots a few years ago, this word is offered as a response to something amazing, or something so completely awesome that you will automatically, and undoubtably, jizz inside your trousers. Or pants.
1: dude, the new Grand Theft Auto 5 gameplay looks jiztastical
2: man those yoga pants on her look jiztastical
2: man those yoga pants on her look jiztastical
by adefblackguy September 15, 2013