Teach a made-up word with one example

The prompt

A "whatpu" is a small, furry animal native to Tanzania. An example of a sentence that uses the word whatpu is:
We were traveling in Africa and we saw these very cute whatpus.

To do a "farduddle" means to jump up and down really fast. An example of a sentence that uses the word farduddle is:

Expected result

A grammatically correct sentence using "farduddle" as a verb consistent with its given definition — e.g. "When we won the game, we all started to farduddle in celebration."

Why it works

The classic minimal few-shot example: one worked demonstration (whatpu) teaches the model the task pattern well enough to generalize correctly to a second, unseen word.