the human fountain Share definition Flag When one person sucks liquid out of another person's mouth, like a water fountain. Cindy: I took a sip of water, and then he just said "I'm thirsty", and gave me the human fountain. the human fountain by vdw17 February 12, 2019 0 0 Get merch Get the the human fountain mug. Buy Now — $32.95 See more merch