Answer:
What is something yet nothing, but if you fill it up it will disappear?
Other terms for this handy device include doohicky, doo-dad, and whatchyamacallit.
Who has married hundreds but always been single?
I'm the son of water but when I return to water I die. Who am I?
The part of the bird, that is not in the sky, Which can swim in the ocean and always stay dry. What is it?
What language does a billboard speak?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?