A horse's head going down the drain
When something is so bad it might as well be a horse’s head getting tossed in the trash.
He said he’d get a perfect score. I said, 'That’s a horse’s head going down the drain.'
She tried to make a TikTok dance. I said, 'That’s a horse’s head going down the drain.'
He ate the whole pizza. I said, 'That’s a horse’s head going down the drain.'