What is L'oreality?
1.
An alternate universe in which the speaker truly is "worth it", despite being dumb, fat and ugly. Can be magically invoked by the purchase of overpriced cosmetics.
BillyJane: Ohhhhhh i'm just so cute, my new eyeshadow makes my butt soooo much smaller!!1!
BillyBob: Yeah, must be nice living in your l'oreality. Have fun.
See