"I cbf going to the movies"
would be "can't be fucked"
"I cbf getting up for work yesterday."
would be "couldn't be fucked"
"I'll go when I cbf"
would be "can be fucked"
Guy 2: Yeah, or "I cbf using a condom when fucking your sister."
Guy 1: ...
person2: phht u walk to the fridge. i cbf walking my fridge has been moved next to my computer
(kid): Because i have CBFS.
(boss): oi peter why haven't you come into work today?
(peter): because i have CBFS that's why