A sarcastic way of expressing a lack of care for a situation, person, place or thing. Usually used in response to a question.
"Who is going to work with Johnny tomorrow?
Carin' will do it!"
Carin' -- The ultimate personification of the lack of caring in any situation. Derived from the sarcastic saying, "Yeah, like I'm really caring about that!". Most commonly used as a proper pronoun, but can also be used as a exclamation, mutterance, or an aside.
"Hey could you help me move my mother-in-law into her new house?"
"Why don't you ask Carin'?"