I am Sir Tokes Alot, often used in web forums, Its origins came from some online forum when they had a member bitching about polls.

A man or female who is loud and annyoing in public, but when a group of stal get together they get waaaay to crazy, rude, and selfish.

Reference for an individual, normally a brotha, whose copulatory organ is resemblant of that of a stallion, mule, donkey, or most any other large, robust quadripedal mammalian vertebrate.