Google-fu is defined as skill in using search engines (especially google) to quickly find useful information on the internet. it is a somewhat tongue-in-cheek reference to kung-fu, which is generally. The pseudo-word spring-fu is a construction meant to allegorically refer to kung-fu that endows the scripting language spring with the mysticism and complexity of a martial art --- something that. The suffix -fu has since been severed, and applied to more specific computer terms, such as google-fu (referring to one's skill in finding information using a search engine) or coding-fu (referring to.