When it dries up, you can actually use a bit of spit to recharge the lube.
'Spit on your boy's hole and give it to him deep,' goes the tagline. S Leather, an adult entertainment store, sells a product called Spit Lube H2O that has the look and feel of thick, stringy saliva.
Yes, there's a romanticization of spit fucking in the gay community which probably far precedes Brokeback Mountain.
