"1:  "i say, nigel, wouldn't you agree that ian has attained more ass-miles than christian on their butt-pirating expeditions?" "mmm, quite
1:  a unit of measurement designed to express the level of experience of a sexually explicit nature, most often used in the profession of butt-pirating
""1:  "i say, nigel, wouldn't you agree that ian has attained more ass-miles than christian on their butt-pirating expeditions?" "mmm, quite" What is the definition of "ass-miles"?