To creek: to over think a situation/feeling until it is far more complicated than it really is. taken from the teen drama of the 90's dawson creek, were teenagers would over think/ have far more than nessary deep and meaningful conversations.
Creeking to over think to a stupid level:
Dawson: describing heartbreak
It's agony. Complete, excruciating agony. It's like your heart has been ripped out of your chest and stomped on, and you can't breathe... you don't want to eat... you can't function. It's the most intense pain that you'll ever feel, and the worst part is, there's no way to relieve it. It's unyielding, merciless torture, and you *know* that it's yours for life.