In scatodynamics, the triple point of a feces is the temperature and pressure at which three phases (for example, gas, liquid, and solid) of shit coexist in thermodynamic equilibrium. This is the perfect storm of gastrointestinal problems.
Chris was riding in the car and wasn't sure if he had to fart, shit, or maybe have diarrhea. "I think I'm at the triple point!" he exclaimed.
On the male body, the point at which all three parts of the male reproductive system, the penis and two testes, come together in an indistinguishable and coexisting fashion.
James: "This girl was goin' down on me, suckin' my balls and everything, and then she hit that sweet spot and I nutted all over her face."
Kevin: "Was the sweet spot on the balls or the shaft?"
James: "It was the triple point."