bird dog

• bird-dog

bird + dog

• IPA^(key): /ˈbɜːd dɒɡ/

bird dog (plural bird dogs)

1. A dog used in shooting to retrieve the dead birds, especially an English pointer.
2. A tout.
3. (CB slang) A radar detector (for detecting police speed traps).
   • 1986, Steve Earle, Guitar Town

     I'm just out of Austin bound for San Antone
     With the radio blastin' and the bird dog on

• (dog): gun dog

bird dog (third-person singular simple present bird dogs, present participle bird dogging, simple past and past participle bird dogged)

1. (intransitive) To watch closely.
2. (transitive) To seek out.