When anyone says 'terabyte' my brain brings up a picture not too dissimilar (but a little more scary) to this. Which is actually a Pterosaurs. And not even remotely related to something that has the capability to store massive amounts of digital information and can look like this.
Exhibit (but not quite so worrying) B.
When someone says 'cous cous' I always think of a cat, cause don't you reckon it would be a great cat's name?
I have many more examples but I will stop now before somebody calls the men in white coats.