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?
pete: no
john: he did a harrisburg hampster tube
pete: wow what a fag..but i bet it felt good
The fat or collection of fatty deposits residing in or around the waist area resembling the shape of an inner tube. These "tubes" can have various sizes or widths depending on the total number of years worked in an office environment without the proper muscle strengthening exercises to counteract this development.
He went from working on his feet all day to working in an office 40 hours a week, and as a result he got an "office inner tube."