﴿ إِذَآ أُلْقُوا۟ فِيهَا سَمِعُوا۟ لَهَا شَهِيقًۭا وَهِىَ تَفُورُ ﴾

“When they are cast into that [hell], they will hear its breath indrawing as it boils up,”

(When they are flung therein) when one of the nation is flung therein, i.e. the Jews, Christians, the Magians and the Arab idolaters, (they hear its roaring) Gehenna emitting a sound like the sound of an ass (as it boils up,