Basically someone crazy. Kind of a synonym of "freak", but there is no humor in calling someone a freak, so if you want humor, call them a freakasaurus.
Freakasaurus was also mentioned in episode 15, season 2, of Star Trek: Voyager.
Feeling produced when watching Frank Underwood from the show House of Cards say something so utterly badass it makes you almost orgasm.
Paul : Dude, did you watch the second season of House of Cards ?
James : Yeah, man, when Frank called Linda a backstabbing vomit-inducing bitch, I got a Frankgasm.
When the mind busts a nut from immense arousal of the genitalial regions of consciousness.
Causes of a Freudgasm vary upon the level of cognitive sophistication of the individual's mind but typically involve exposure to acts or demonstrations of sexy, hilarious, or 1337.
1. When someone get filled with fear that they actually cum.
2. When someone is very scared as if they are in the most climactic moment of fear that you smell humanitarian feckle matter in the atmosphere.