sidepiece

A part forming a side of something.

The jamb, or cheek, of an opening in a wall, as of door or window.

Alternative spelling of side piece

If there's a truly compelling reason not to normalize shaming as a global, always-on public spectator sport, it's not that it degrades the humanity of the shamed; it's not even the trite "who among us has not canoodled at a Coldplay concert with his sidepiece" justification. It's simply this: When we take joy in the distress and ruination of other people, we make monsters of ourselves.