Definition of "Sully" :
noun: French statesman (1560-1641)
noun: United States painter (born in England) of portraits and historical scenes (1783-1872)
verb: charge falsely or with malicious intent; attack the good name and reputation of someone
verb: make dirty or spotty, as by exposure to air; also used metaphorically
verb: place under suspicion or cast doubt upon
"Sully someone's reputation."