The combination of sleepy, horny, and hungry. The worst combination imaginable. Too sleepy to fuck or eat. Too horny to sleep or eat. Too hungry to sleep or fuck. So you just lay there and slowly crumble away. The only way to fix the problem is to take care of two of the three things at once.
A good splorf is the result of a solid punchline, comment or funny action delivered with impeccable timing.
1) She took a sip of her drink just as he farted. With the bottle to her lips and a mouth full of beer she couldn't help but splorf everywhere when she staretd laughing.