It is when you beat a team you shouldn't and then lose to several teams that you shouldn't.
For example, in 2014, Ole Miss beat 3rd ranked Alabama and 14th ranked Texas A&M only to lose to 24th ranked LSU and unranked Arkansas. Then in 2015, Ole Miss beat 2nd ranked Alabama then lost to 25th ranked Florida, and unranked Arkansas again.
Ole Miss is ole missing for the second year in a row. How do you beat a top 3 Alabama team then lose to an unranked Arkansas two years in a row?