iFOD

Stands for "Itchy foot of death"

For anyone who has ever had an itchy foot, they know,
scratching it does not help.
Hence the name, Itchy foot of death.
Usually shortened for online use: iFOD

Guy 1: Dude I was watching a movie and I got the iFOD
Guy 2: That sucks man! I hate that, there is no relief