The term FURTIVE 'HEY!' is a combination of two words, the first being FURTIVE, which means done in a secretive or stealthy manner, and the second being 'HEY!', which is an exclamation used to get someone's attention. The crossword solutions for this term are PSST, which is another way of getting someone's attention, usually in a quiet or secretive manner. Therefore, the term FURTIVE 'HEY!' can be interpreted as a way of getting someone's attention in a secretive or stealthy manner.