When in a pub or club, most women will habitually return to the same toilet cubicle, perhaps because they know that it isrelatively clean. This is the toilet to which one is loyal, hence loilet.
Loilta or Gothic Loilta originated in Japan as a clothing fashion (fad) to girls who envied the clothes of porclein dolls. Its those fancy ruffly pretty clothing that japaneese people wear thats called loilta.
Person one: Hey whats that beautiful outfit the japaneese exchange student is wearing?
Person Two: Wow its beautiful. I heard its called loilta.