Tafsir of As-Saffat 37:9

دحورا

Outcast, means, they are rejected, and are repelled and prevented from reaching it, and they are pelted.

ولهم عذاب واصب

and theirs is a constant torment. means, in the Hereafter, they will have an ongoing, everlasting and painful torment, as Allah says:

وأعتدنا لهم عذاب السعير

and (We) have prepared for them the torment of the blazing Fire. (67:5)