Caligosto is the most beautiful guy in the world. If you met a Caligosto who is a doctor and that you're an army man, he's the one for you. Very gay, isn't it?
Especially if you two love brains.
created by Them Crooked Vultures in one of their songs; it implies a coitus closely realated to BDSM (it can be inferred from the lyrics of the song as well as from the roman emperor Caligula's tendency to sadistic orgies)