tr.v.
bird·ied, bird·ie·ing, bird·iesSports To shoot (a hole in golf) in one stroke under par.
shut·tle·cock (shŭt'l-kŏk') n. A small rounded piece of cork or rubber with a conical crown of feathers or plastic, used in badminton. Also called bird, birdie. v.
tr.shut·tle·cocked, shut·tle·cock·ing, shut·tle·cocks To throw or send back and forth like a shuttlecock.
golf slang for "play a hole one under par," 1956, earlier bird (1911), from bird (1) in Amer.Eng. slang sense of "exceptionally clever or accomplished person or thing" (1839).