C.A.B is an acronym for "Crazy Ass Bitch". It can be used as a noun or a verb. One can say it as C.A.B or simply "cab". Both versions are meant to be codewords and can be used at any time when there is a "Crazy Ass Bitch" in the room. Here are some examples to display the uses of C.A.B.
" Man my girlfriend was acting like a total C.A.B last night."
"Wow I got totally C.A.B'd by my mom."
"Whoah check out that cab over there, she's taking off her clothes while singing Poker Face and lighting shit on fire too!"