Depending on how you say it, it can be a question, excited response or just a statement...you know?
What you say when you have forgotten the name of something. E.g " yeah, that thing, the whatchamajigger"
Annoying long word used by Mary Poppins that as a child you just couldn't figure out how to repeat it so you mumbled through that part of the song.
New Jersey's answer to Canada's poutine...fries, cheese and gravy. Yummm! See also Obesity.