Lappkärrsskriket is our equivalent of Flogstaskriket in Uppsala and Elvavrålet (The eleven-o'clock scream) in Lund.

Make no mistake - this is not a happy shout, but a primal scream of angst. It is a way of channelling your frustration and depression from being a student; under pressure from all sorts of obligations, while at the same time having no money. This therapy works both through releasing your tensions, as well as through the comforting insight that you are not alone...

More on Flogstaskriket here

Thanks go to guldfisk for this advice.