A college professor was giving a lecture on the topic of involuntary muscle contraction when he noticed the most of the students were drifting off. He decided he need to spice up his lecture so he pointed to a hot young lady in the front row and asked "do you know what your asshole is doing when you are having an orgasm?"
She thought for a moment, then replied, "probably fishing with some of his buddies."
She thought for a moment, then replied, "probably fishing with some of his buddies."
