While I think Post-Its are a potential candidate, I think your friend is just weird. I've only ever heard or used "google" as a verb to mean "performing a searc

While I think Post-Its are a potential candidate, I think your friend is just weird. I've only ever heard or used "google" as a verb to mean "performing a search via a web search engine to search the entirety of the internet", and even then it almost always includes the unspoken assumption that it will be done using Google.