bird dog /ˈbɜːd dɒɡ/noun 6verb 3forms 5 noun6 •A gun dog used in hunting waterfowl and other birds to flush, point out, and/or retrieve the birds.Tim Johnson was the property of Mr. Harry Johnson who drove the Mobile bus and lived on the southern edge of town. Tim was a liver-colored bird dog, the pet of Maycomb. — 1960 •A tout. •A person who seeks out real estate investment opportunities in exchange for a fee. •A hyperextension exercise performed lying on the knees, with one arm and the opposite leg lifted. •A person who tries to steal someone else's romantic partnerJohnny is the joker that's been tryin' to steal my baby He's a bird dog — 1958 •A radar detector (for detecting police speed traps).I'm just out of Austin bound for San Antone With the radio blastin' and the bird dog on — 1986 verb3 •To seek out. •To watch closely. •A multiservice tactical brevity code requesting configuration of sensors. formsbird dogged · bird-dogged · bird dogging · bird dogs · bird-dogs