(n.) The ominous and eerie feeling that you get when you feel that something has NEVER happened to you! It is the opposite of de ja vu, which is the feeling that you've done something before.

Oh ja isdu the gu is if you shit so hard that you need to scream

Stammer fra Oste Knut, kan brukes i mange sammenhenger

The feeling that you have an unfinished hot beverage getting cold somewhere, despite the fact that you have already finished it.