1 definition by Lou64
When your co-worker(s) mysteriously become sick before a holiday. Usually a lazy worker who doesn't want to work before a holiday because he or she would rather be home. A worker who makes up a sickness of some sort to cover for his or her lazy intentions of really not being sick.
Geez, that guy Kinty has really come up with a case of Holidayitis
Q: Where is Kenny?
A: Isn't he sick?
He's not sick, he has a case of Holidayitis
Q: Where is Kenny?
A: Isn't he sick?
He's not sick, he has a case of Holidayitis
by Lou64 January 2, 2014