The term a person refers to when they check their email with an insane amount of new emails in their inbox.
"I logged on to Yahoo today to find myself a fatbox. It took me 2 hours to get rid of all that crap."
by fishboyultra May 23, 2008
 Get the fatboxmug.
Get the fatboxmug. by crzzzz44 December 28, 2022
 Get the Fatboxmug.
Get the Fatboxmug.