Sayyiduna Abdullah bin Mas'ud (may Allah be pleased with him) said: "His (Satan's) hamz (touch) is al-mu'tah, that is, madness; his nafkh (blowing) is arrogance; and his nafth (spitting) is poetry."
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 9271