An episode from my Phil 100 Critical Thinking class:

David Kelley, The Art of Reasoning, 4th ed., Exercise 2.2C (p. 35):

For each of the following definitions, identify which rule (or rules) of definition it violates:

19. A jacket is an outer garment designed to protect the wearer from cold, wind, and rain.

Student response:

Rule 2: Too narrow, because Victoria’s Secret Windbreaker be a jacket, but it don’t break no wind.

Hard to argue with that one. Sidney Morgenbesser would be pleased.