Surah Sad 38:15
وَمَا يَنظُرُ هَـٰٓؤُلَآءِ إِلَّا صَيْحَةً وَٰحِدَةً مَّا لَهَا مِن فَوَاقٍ
And these [disbelievers] await not but one blast [of the Horn]; for it there will be no delay.
Translation: Saheeh International
Tafsir
And these that is the disbelievers of Mecca do not await but a single Cry namely the Blast of the Resurrection that will herald chastisement for them for which there will be no revoking read fawāq or fuwāq.
Excerpt from Tafsir al-Jalalayn, commentary on 38:15, via Quran.com. The reader has the full commentary and 9 more tafsirs.