The Guardian is on firm here:
https://www.theguardian.com/politics/2018/nov/15/from-here-to-brexeternity-an-alternative-lexicon-for-these-times

Schadenfuck A term soon to be adopted by remainers to describe their feelings when confronted with the ongoing Brexit car crash – an unusual combination of complete vindication and absolute abject horror (coined by the educationalist Sam Freedman).