Any female with very large mammary glands, tits, breasts, boobies, hooters or whatever you want to call them.
Man 1:Holy **** man look at the size of that girls tits!!!
Man 2: HEY BIG BIRD!
by Shadowstalke January 31, 2008
Get the big bird mug.
A gay hermaphodrite.
by aaa October 24, 2003
Get the big bird mug.
When the US Head of State blatantly flips the big middle finger to his electorate by publicly kissing the ass of another fascist narcissist pig to avoid complete personal humiliation.
I kind of majored in big bird diplomacy in early grade school when I started getting my bromances on with the other extortionist bullies.
by Dr Bunnygirl July 16, 2018
Get the big bird diplomacy mug.
A person whose lower body is noticeably larger than their upper body.
"Betty looks good in the face, but she got body by big bird."
by walterc September 27, 2014
Get the body by big bird mug.
An extremely large boner that is not able to be hidden under any circumstances. Approximately 9001 times the size of a Nathan.

see definition Nathan

Nathan-
A term used to describe an especially perky boner in public that is unable to be hidden.
"Sam, I was in the office reviewing papers when I noticed a female who had an incredibly attractive body. I instantly had a Nathan, and when she turned around, her face was just as magnificent as her body, at which point my Nathan turned into a BIG BIRD BONER."
by Flibbert February 4, 2010
Get the big bird boner mug.
Its not a lie. What the person is saying is true.
Word to big bird, shorty was all over me last night.
by Enigmasrain August 11, 2006
Get the word to big bird mug.