male armpit, when you conjure up the image of someone spitting, your first instinct might be to grimace. After all, what’s hot about a liquid substance full of digestive enzymes, uric acid, electrolytes, mucus-forming proteins, and cholesterol? Those are literally the different compounds that make up the slimy substance in our mouths, which help you break down food, swallow it, and clean your teeth afterward.Turned on yet? Possibly not, but bring the slimy love-juice into the bedroom, and suddenly it can take on a completely different meaning for many gay men.