Possible Clues:

• Uncouth number seen in French street
• In need of a slap
• Like cutting in line, e.g.
• An assignment from Wyndham Lewis
• Rough
• Regretted sounding so curt here?
• 'Bad-mannered, discourteous (4)'
• Regretted sounding impolite
• Offensive characters recalled from 'Tess of the d'Urbervilles'
• Like line jumpers