An excuse or answer to ANYTHING, use this phrase when someone asks you a question you don't know how to answer, or use it if you are caught doing something you aren't supposed to be doing.
Anthony: All I want out of life is an apartment and a puppy.
Alex: You're really shooting for the stars there huh?
Anthony: No, I just want to shit with the birds.
V.(Australian in origin), get to the bird is a commonly used term for getting out of the sun. It is easily substituted for other situations such as leaving an area or arriving at a party
This sun is baking me I need to get to the bird
Lets get to the bird before all the drinks are gone
on twitter someone said "I did the Macarena with a homeless man in an elevator Because big bird said to And he's my leader" and then it became a popular google search