I had no idea what this was until my best friend (since we were 3) in La Jolla, CA sent me one for my birthday. Boy is this cute! When you fill it up and pour it gurgles and gulps. Must be 'the thing' in La Jolla, but now I'm introducing it to my friends.
Have you seen this?
You can get them in every color at places like this:
I thought it was a vase, but then she told me about the gurgling noise... so cute! Thanks PCC!