spit in someone's face

verb1

1. •
   (figurative) To disrespect someone; to disdain or denigrate one's worth or dignity; to betray.

   • You tried to spit in the eye of a dead man's face Attacked the ways of a man not yet in his grave But your hate was over all too soon Because nothing is over And nothing's through 'til we bury you — 2007