2. The condition of the syndrome in a group of an unspecified number.
3. Any other condition in which one is unable to rid oneself of audial memory.
Gene: OH, WHAT THE HELL?! THAT THING GAVE ME FRIDAY SYNDROME FOR LIKE A MONTH AND NOW YOU REMIND ME AGAIN?
Parker: I didn't know the Atlanta Symphony's performance of Vivaldi's Four Seasons had affected you that way.
Gene: You did that on purpose, asshole.
Ami: Fun Fun Fun Fun
Kylie: We so excited.
Tia: SHUT UP! You guys have an extreme case of friday syndrome.