Verb, noun;
To follow someone you hate on social media and sneerily derive pleasure from their perceived failures. Derived from German 'schadenfreude' - the derivation of pleasure from the misfortune of others.
Ned: 'Weird. Anne from work followed me on Insta, but I know she has it out for me.'
Ed: 'Sounds like a schaden follow, bud. You should block her.'