The act of insterting an empty paper towel role, cardboard tube, etc. into ones anus, preferably male, and then placing a hampster into the tube. The hampster will then precede to crall into his anal cavity. this is extremely gay yet enjoyable. this actually happened to the newschannel 34 guy
john: did u hear what the newschannel 34 guy did?
john: he did a harrisburg hampster tube
pete: wow what a fag..but i bet it felt good