Yes, the term Pinky would exclaim from “Pinky and The Brain”
Does Narf! have an actual defintion, in the usage that Pinky intended? If so what is it? Is the word an Acronym, as a particular episode suggests? (Nauticaly themed)
I think I have figured out a working definiton;
Narf- Exclamation meaning “I have reached a conclusion that you should have reached before I have.”
Also, what was the other word Pinky would say? “Zoink” “Point” or something else?
Common Pinky exclamations include “Narf!” “Poit!” and “Zark!” among others.
I think one might be able to earn a master’s degree postulating the possible link between Pinky’s “Narf!” and Snarf from “Thundercats.” It CAN’T be a coincidence, can it?
It could be that “narf” and “snarf” are tips of the hat to Little Orphan Annie’s dog, who said naught but, “Arf!” It’s always good karma to salute the folks who blazed the trail for you.
Ha. Well, that was an interesting diversion. 
There was
Sorry 'bout that.
There was one episode titled All You Need Is Narf.
Then there was Just Say Narf.
There is even a Goggle Directory for Narf where I found that my research paled in contrast to someone else’s.
Want 117 definitions?