An expression of dismay to a speaker when said speaker assumes that the listener has equal knowledge of an issue--when in reality the item is news to the listener.
Speaker## "Yeah, and the problem is that even though we made it here, I don't have any money!!"
Listener## " You have no money?? How was I supposed to know that, osmose?"
to go through the physical process of osmosis.
We waited patiently for our science project to osmose.