quaybeshaybe

1) A nonsense response best used to annoy or vex friends or relatives.
2) An acceptable substitute for virtually any part of speech.

Alternative spellings: quaybeshavey, quayveshavis

You: I'm going to go quaybeshaybe until dinner is ready...
Annoyed Spouse (with disaffection): Quaybeshaybe!

Spouse: What movie should the kids watch?
You: Quayveshavis
Spouse: It is pronounced quaybeshaybe!
You (mumbling): Quaybeshavey...