[n] a lawman concerned with narcotics violations
[n] (British) an informer or spy working for the police
[v] inform or spy (for the police)
[v] cause annoyance in; disturb, esp. by minor irritations; "Mosquitoes buzzing in my ear really bothers me"; "It irritates me that she never closes the door after she leaves"
annoy, bother, chafe, copper's nark, devil, get at, get to, gravel, irritate, narc, narcotics agent, nettle, rag, rile, vex