used when u bring something to a very banal level thats acutally awkward / nasty / over the top / unbelievable. just like telling its ordinary in a very special way. if you want to define which kind of normale haerte you are talking about you just put the case in between normale and haerte.
A:"did you see taylor throwing up last night? he messed up the whole toilet!"
B:" yah i saw that. thats nothing unusual. normale haerte."
A: did you hear about those guys selling used stuff for twice the price of the new thing?"
B: "Yeah i did. normale capitalism haerte."