Possible Clues:

• Polite? Oh, no, no, no
• Like butting in
• Ill-mannered Helmet song?
• What awakenings may be
• Regretted turning back couple that's ill-mannered
• By the sound of it, regretted showing discourtesy
• SoCal reggae punkers Too ___
• Like line jumpers
• Pert as Pitter's potato?
• Uncouth number seen in French street