When you're on the bottom in a 69 position with your woman and she pees on you.......filling up you entire nasal sinuses.
Dude, my girl came so hard last night that she waterboarded me. I felt like Khalid Sheikh Mohammed.
Taking a woman from behind in the shower while her head is under the flow of water, when you are close to ejaculation, pull her hair back swiftly so her head tilts back and her mouth opens. This will give her the impression of drowing, which will cause convulsions. Which will cause her vaginal, or anal, muscles to contract giving you more please and a sustained orgasm.
She was in the shower, so I nipped in, slipped in for an easy pink and on me vinegar stroke I waterboarded that bitch!