Something that is both mysterious, yet hysterically funny all at the very same time.
Travis: We were wondering if you carried Mr. Pibb?
Lady: Um, no, i don't think so...
Travis: (laughing) Its turning out to be very hard to find, we thought you might carry it...darn...
Lady: Yes, locating it can be quite mysterical...
Travis: Right...wait is that even a word...
Mysterically is a word that has yet to be defined by the english dictionary but is used in many culture's vocabulary to include: Germany, France, Pakistan, Iraq, and even Iran. It is meant to show that something has happened that there is no real reasoning for.
When you're not sure if a situation merits reverent awe, or pee-your-pants laughter.
We experienced a mysterical moment when, gathering on the dry lake-bed playa at sunrise to meditate upon the birth of a new day, our solemn reverie was interrupted by an enormous, motorized pinkhedgehog, backfiring and farting across the horizon.
"That friend of your girlfriend's is hot as hell! What is she - Puerto Rican or Dominican?"
"I don't even know, man. Something like that."
"Ah, I see. So she's a mysterican."