quaybeshaybe

A word used to fill in for any detail you do not know or do not wish to provide. Can also be used as a response to any question (especially those you don't wish to answer) or as a reaction to any circumstance. Best delivered in a mumble.

Kids: Where are we going?
Parent: Quaybeshaybe

Friends: What’s in that package?
You: Quaybeshaybe...

(After something unpleasant happens...)
You (mumbling): Eh, quaybeshaybe...