Rude or comical statement used to cut someone off whose name you are not familiar with or just don’t feel like saying;
*Save it; used to interrupt or detain a person who is trying to tell you something you don’t want to hear, or something that you believe is ridiculous/bullshit;
*Willy; used to refer to the person regardless of their real name

It’s an acronym standing for Can’t Remember A Fucking Thing. It’s usually used to describe embarrassment at being unable to remember someone (CRAFT moment); going onstage as the lead in the latest theatrical performance and your mind goes completely blank (CRAFT situation); the next morning after a night when you got pissed as a fart and woke up in bed cuddling a traffic cone and a string of fairy lights wound round your prick.