Next time you want to avoid answering a question, just take one of the words that was said to you, and repeat it over and over again, then wander away.

For example:

Q:  “Hey, can you take the dog out?”

A:  “Dog?  Dog.  Dog.  Dog!  Isn’t that a funny word?  Dog.  Doooog.  DOG!  Huh.  Crazy, right?  Dog…dog.”  (wander away)