any of a class of warm-blooded vertebrates whose bodies are more or less completely covered with feathers and whose forelimbs are modified as wings: class Aves
chiefly informal a person, esp somebody slightly odd
He seemed an uppish old bird — Conan Doyle
chiefly Brit, informal a girl
Brit, informal a period of imprisonment
people of similar characters, tastes, or interests
informal trivial or worthless
chiefly Brit, informal to be hissed, booed, or jeered at
chiefly Brit, informal to be dismissed or fired
chiefly Brit, informal to hiss, boo, or jeer at somebody, or to be hissed or jeered at (somebody)
chiefly Brit, informal to dismiss or fire (somebody)
the person whom one expected to find or capture has escaped
informal, humorous the facts of sex and sexual reproduction, esp in a form suitable for children