"The Messenger of Allah said: 'The worst of earnings arte the gift of a female fornicator, the price of a dog and the earnings of a cupper."" (Using translation from Nasāʾī 4294)
أَنَّ رَسُولَ اللهِ ﷺ قَالَ «بِئْسَ الْكَسْبُ مَهْرُ الْبَغِيِّ وَثَمَنُ الْكَلْبِ وَكَسْبُ الْحَجَّامِ»