shagBIRD FAg n [C] a large sea bird which has dark feathers, a long neck and body, and a curved beak 欧洲鸬鹚 (Aus slang) Like a shag on a rock means completely alone. 孤单一人 They walked out of the room and left me like a shag on a rock. 他们走出房间，把我一人孤单地留在那里。