What is Kiss My Ass Flu?
1.
refers to the fabricated condition from which an employee is suffering when he or she calls in sick not because of a real illness but because he or she is resentful, frustrated or burnt out as a result of being mistreated by his or her boss.
"There's a shoe sale on at the mall tomorrow; I think I have suddenly developed a terrible case of kiss my ass flu and won't be able to come in to work."
