Can't Be Fucked Syndrome, also known as the lower case form cbfs. It is caused by lazy people who do nothing nearly all the time, then it can lead to where they can't be fucked anymore so they just do nothing hence CBFS the cure is committing to do something, but if somebody has an extensive case of it, good luck to you; and it is very contagious
(teacher): why haven't you done your homework?
(kid): Because i have CBFS.
(boss): oi peter why haven't you come into work today?
(peter): because i have CBFS that's why