The third eye Share definition Flag When you're having sex with a girl on her period and you make a red dot on her head with the tip of your penis. That chick didn't tell me she was on her period, so I gave her the third eye! The third eye by Chico De Barge October 9, 2008 0 0 Get merch Get the The third eye mug. Buy Now — $32.95 See more merch