Verb; The act of flipping your coat over your head while making a sad face like a pouty little bitch. Made famous by quarterback Phillip Rivers, think of it as his version of tebowing!
Also a term which refers to shedding an incredible amount of tears capable of making a river. It is usually used when telling others about extremely sad things.
"Hey, did youread that Thorki fanfic I told you about?"
"Yes, and the feels were too much. I was rivering so hard, my poor babies."