Used when someone is so hot, only someone with a visual impairment would not find them attractive. The person's hottness goes beyond the traditional subjective nature of beauty, and are scientifically proven to be hot
1)Scarlet Johansson and David Boreanaz are objectively attractive.
2) Pete says "I am not sure Scarjo is that hot"
Tom responds, "Are you fucking blind?! That chick is objectively attractive! How could you say otherwise?"