a bitch slap - Getting hit across the face in front of a crowd, like you're

Getting hit across the face in front of a crowd, like you're the center of a joke no one wants to tell.

She got slapped in front of the whole school like she was a bad joke.

He got slapped by the whole class like he was the punchline.

She was slapped in front of her friends like she was the butt of a joke.