Related Clues:

• Talk down
• Knock, in the 'hood
• Ph.D. thesis: Abbr.
• Univ. paper
• Pleasing opener
• Insult, informally
• Talk trash about
• Major work in grad sch.
• Talk smack about
• Bad-mouth, in slang
• Affront, in slang
• Put down on the street
• Ph.D. treatise: abbr.
• Bad-mouth to a rapper,
• It's "un-" related