I'm pondering the expression, "Up the creek without a paddle". It's supposed to be expressing an awkward situation with no easy way out. But as a very literal person who has paddled on a creek, when you're upstream you can just sit and let the current take you back to where you were. However, if you are downstream without a paddle, then you're in serious trouble, because if you can't paddle back up the creek, it's going to keep taking you further downstream.
So why in the English language to we say "up the creek" instead of "down the creek"? Does it have something to do with where the expression originates? When people said up the creek what exactly were they referring to? Did they mean literally upstream, or was "up" a cardinal direction like "uptown" and "downtown"?