1. (informal) self-confident lack of respect; impudence
   "Only one bloke has had the sheer brass neck to man a light-switch for an hour and call it art"

Derived forms: brass necks

• back boiler
• back brace
• back breaker
• back burner
• back channel
• back circle
• back country
• back end
• back entrance
• back exercise
• back judge
• back matter
• back of beyond
• back of Bourke
• back off
• back out
• back passage
• back porch
• back to front
• back tooth
• back-alley
• back-formation
• back-geared
• back-number
• back-street