Definitions by DogbertsCube

2nd day flu 

The same as a 'sick day' but used the day-after to support the validity of the initial 'sick day', or to squeeze out a little extra time off. Ideally timed on Friday or Monday to yield a 4-day weekend.

Jim: Where were you last friday?
Bob: 2nd day flu got me.
Jim: lucky bastard

2nd day flu by DogbertsCube December 8, 2009