It's the unintelligable string of curse words that comes out when you're sleep deprived, drunk, or otherwise verbally incapacitated and is used to punctuate your speach.
I can't sleep on airplanes, so going into hour 26 without sleep, I greeted my relatives at the airport with modest enthusiasm and filled out my weak sentence structure with a cheerful expulsion of slurry.
*checking out sexy women's lingerie*
Patifus: *drowsymusing* huh, they should make this kind of thing for dudes. The matching tops and bottoms.
Narcifus: Really? Patifus. Really? Oh wait, Sarkgasm. Mmm-hmm.
The study of the mechanism that 'hubbies' use on their significant other's to extract results.
Leala: *grumpy, not in the mood*
Greg: I don't know if we should have sex anymore?
Greg: Well, it's just that you're not that good in bed.
Leala: No way, but I could do so much better, I promise. I'm going to show you right now.
Greg: The oppositology results are in. Greg one, leala zero.