掐指一算小伙你没我别活掐指一算姑娘你命里缺我
[qiā zhĭ yī suàn xiăo huŏ nĭ méi wŏ bié huó qiā zhĭ yī suàn gū niáng nĭ mìng lĭ quē wŏ]
Translating into something along 'calculating with my fingers, lad, you cannot live without me... girl, you need me', conveys a playful and self-flattering notion of being indispensable to others, reflecting a cheeky or confident mood of the individual.