It's an abbreviation; "ouch, my pussy hurts." There's an intuit phrase that means essentially the same thing, forgive my spelling this phonetically: ishkaga ganish. "Ouch, my pussy hurts."
Mr A:'Hey Mr B, look over there at that person who is driving in the middle of the motorway at 186.24mph, he must think that the nearest star is emitting its electromagnetic radiation out of his anal sphinctus'
Mr B:'Yeah what an omphalos'
Katrina: "It worries me that Edgar spends so much time staring at his belly buttonthese days."
Samuel: "Well, he did vow to practice Omphaloskepsis for three hours a day."