﴿ كَلَّا ۖ لَيُنۢبَذَنَّ فِى ٱلْحُطَمَةِ ﴾

“Nay, but [in the life to come such as] he shall indeed be abandoned to crushing torment!”

Nay! — a repudiation — He will surely be flung la-yunbadhanna is the response to an omitted oath that is he will be hurled down into the Crusher that crushes everything that is thrown into it.