An incorrect version of "interoffice envelope" that people say or email to the entire company when one is missing and contains the documents they need.
Random office worker: Can everyone please check to see if they recieved an inner office envelope that should have come to me.
Jay: OMG! Someone did it again.
Theresa: *sigh*
Jay: OMG! Someone did it again.
Theresa: *sigh*
by Slapping Theresa October 26, 2009
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."
by indieboysf August 3, 2011