Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
ibnmajah:4322 – Abū Bakr b. Abū Shaybah > Bakr b. ʿAbd al-Raḥman > ʿĪsá b. al-Mukhtār > Muḥammad b. Abū Laylá

“The disbeliever will be made huge so much so that his molar will be bigger than (Mount) Uhud, and the size of his body in relation to his molar will be like the size of the body of anyone of you in relation to his molar.”  

ابن ماجة:٤٣٢٢ – حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ حَدَّثَنَا بَكْرُ بْنُ عَبْدِ الرَّحْمَنِ حَدَّثَنَا عِيسَى بْنُ الْمُخْتَارِ عَنْ مُحَمَّدِ بْنِ أَبِي لَيْلَى عَنْ عَطِيَّةَ الْعَوْفِيِّ عَنْ أَبِي سَعِيدٍ الْخُدْرِيِّ

عَنِ النَّبِيِّ ﷺ قَالَ إِنَّ الْكَافِرَ لَيَعْظُمُ حَتَّى إِنَّ ضِرْسَهُ لأَعْظَمُ مِنْ أُحُدٍ وَفَضِيلَةُ جَسَدِهِ عَلَى ضِرْسِهِ كَفَضِيلَةِ جَسَدِ أَحَدِكُمْ عَلَى ضِرْسِهِ  

See similar narrations below:

Collected by Suyūṭī
suyuti:5792a –

“The disbeliever will be made huge so much so that his molar will be bigger than (Mount) Uhud, and the size of his body in relation to his molar will be like the size of the body of anyone of you in relation to his molar.” (Using translation from Ibn Mājah 4322)   

السيوطي:٥٧٩٢a –

"إِنَّ الْكَافِرَ لَيَعْظُمُ حَتَّى إِنَّ ضرْسَهُ لأَعْظمُ مِنْ أُحُدٍ، وَفَضِيلةُ جَسَدِهِ عَلَى ضِرْسِه كَفَضِيلَةِ جَسَدِ أَحَدِكُمْ عَلَى ضِرْسه ".  

[هـ] ابن ماجة عن أَبى سعيد