the fecal matter excreted when one stretches in ways that make intestinal continence difficult if the sphincter muscles are weak or relaxed, particularly common for those with or developing rectal cancer and/or a turtle heads

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.