Related Clues:

• Arrogant scoundrel, name-dropping fellow, a little jerk
• Forcibly asserted mac I'd got was defective
• Asserting positively
• Assertive parent separating a pet and its parasite briefly?
• Opinionated
• Follow mother, natural response is categorical
• Opinionated scoundrel has mum twitching
• Follow matters primarily with a habitual response -- being this?
• Opinionated beast -- dull and in charge
• Assertive setter with degree needing endless credit
• Forcefully assertive standing committee doesn't hold onto sentiment
• Highly opinionated
• Opinionated setter, perhaps, starts to moan about themes in crosswords
• Assertive mother, under 25, reviewed detailed quote
• Asserting things as incontrovertibly true