The terms ‘4 leaf clover candidate’ and ‘four leaf clover candidate’ have been cropping up on the Internet, but an explanation of just what exactly is a 4-leaf clover candidate is even more impossible to find than an actual four-leaved clover! Does it mean that the candidate is lucky, maybe even charmed? Or is it another term for a unicorn candidate – i.e. one that is so wonderful as to be nearly mythical? We explain.