A fork of Rural Dictionary
When one observes a researcher conducting secondary research, it can be termed as engaging in tertiary research. This is not exclusive to academic researchers; anyone observing another person researching information on the internet can also be considered as conducting tertiary research.
"Oh, did you come up with this in your tertiary research?"
During a conference "The claims made in my paper were largely based on thorough tertiary research conducted in the pub last Friday"