The Prophet ﷺ heard a man praising another man and he was exaggerating in his praise. The Prophet ﷺ said (to him). "You have destroyed (or cut) the back of the man."
سَمِعَ النَّبِيُّ ﷺ رَجُلاً يُثْنِي عَلَى رَجُلٍ وَيُطْرِيهِ فِي الْمِدْحَةِ فَقَالَ أَهْلَكْتُمْ أَوْ قَطَعْتُمْ ظَهْرَ الرَّجُلِ