1 definition by Common Sense Stuff

short for Common F*cking Courtesy

-when a person does not use common courtesy of the simplest thing.
-Written as a closing, as if initials.
-Boyfriend does not respond or reply to any texts or calls and finally responds the girlfriend might reply by text or other written/typed message with, "Just figured I'd let you know my phone is not working properly so that you don't worry if I don't reply back to you. C.F.C."
by Common Sense Stuff May 16, 2011
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