Related Clues:

• Specialised skill spoken of? Not at all
• Model not a sensible person? No need for that!
• Not something you'd expect The Memory Man to do? Never mind!
• In America, it's used to emphasise a negative expertise, it's said
• Boot camp denial
• 'Uh-uh, dude'
• "To repeat ... forget it!"
• Reply to a commanding officer, on occasion
• At all, in dialect; by any manner
• "'Fraid not"
• "Ain't gonna happen"
• Parent’s exasperated refusal
• Be able to broadcast under any conditions?
• Naval 'Negative'
• 'Don't ask me again!'