Sexual act, where by the "giver" takes 3 inches with the first mouthful, 4 inches with the second mouthful and 5 inches with the third mouthful. This process is repeated to ejactulation.
6, 8, 10 is possible but only after stretching.
similar to a standard blowjob.
I was in the Mathematics department at Imperial and THE girl in third year, I forget her name, gave me a Pythagorean Blowjob. I'm afraid I reached the identity after five cycles.
5👍 3👎