I have never seen or heard of a pilot who would deliberately overspeed an airplane. I don't think that is what Convairator was suggesting, whatsoever. Just a light hearted joke. The joke about the beers must be an industry thing, because that is what my captains told me, back when I was a green FO, as I would trend towards an overspeed, but not exceed Vmo. That is what I now tell my green FOs, as well, as their airspeed blasts towards the pole, before the overspeed: "If you hit the pole, you owe me a beer." I think the joke just lost some of it's funniness; for me, anyways...Thanks there ATCsaid....