hack-passing
You avoid talking to someone. So you hack their social media to say how you feel and make them look bad in front of everyone.
She didn't want to talk to him. So she hacked his Instagram and posted a funny meme about how he was a 'total disaster.'
He was too scared to say he was sad. So he hacked her Facebook and posted a sad song on her wall.
She wouldn't admit she was mad. So she hacked his Twitter and posted a rant about how he was 'the worst boyfriend ever.'