No, this is not an expletive -- CRAAP is the acronym to remember when you are evaluating internet resources.
It stands for the 5 criteria in evaluating a website:
Currency - the timeliness of the information.
Relevancy - the importance of the information for your needs.
Authority - the source (authors) of the information.
Accuracy - the reliability, truthfulness, and correctness of the content.
Purpose - the reason the information exists.
Use this worksheet to evaluate sources. It helps you with the definition and parameters of each criteria --
Here is a short series on searching from the Oklahoma State Library on Searching and FInding Good Resources