Tabarra in Quran
Following verses were revealed against an enemy of Prophet Muhammad (saww) who called the Prophet 'Mad':
هَمَّازٍ مَّشَّاءٍ بِنَمِيمٍ
A slanderer, going about with calumnies. [68:11]
مَّنَّاعٍ لِّلْخَيْرِ مُعْتَدٍ أَثِيمٍ
Hindering good, transgressing, deep in sin. [68:12]
عُتُلٍّ بَعْدَ ذَٰلِكَ زَنِيمٍ
Violent (and cruel),- with all that, illegitimate. [68:13]