Popularized in the late 1970's in Philadelphia, a flat bird is male genitalia that is very thin and gangly.
While crossing streams John John looked at Greg's member and stated " Wow Greg, you have a flat bird"
by Flat Bird April 12, 2017
Get the flat birdmug. 
when a girl is on the bottom during sex and the friction of her head being rubbed back and forth on the pillow causes the hair on the back of her head to tangle forming a knot of hair that sticks out like bird feathers
by johncamacho May 3, 2010
Get the bird feathersmug. a premonition seen by Perry Smith in Truman Capote's "In Cold Blood", a book on the interviewed account of the killers of the Herbert Clutter family murder in Holcomb, Kansas in 1959.
Referenced by Conor Oberst in the song "We are Nowhere and It's Now" and In the song "Poison Oak"
Referenced by Conor Oberst in the song "We are Nowhere and It's Now" and In the song "Poison Oak"
The Yellow Bird}
Throughout the book, Perry Smith often dreams about a yellow bird. This bird symbolizes hope and the willingness to persevere in life. No matter what kind of trouble Perry dreamt he was in, the yellow bird would always rescue him. For example, when Perry was young, he would often dream about the fact that orphanage nuns would abuse him. In these dreams, the yellow bird would attack the nuns and lift Perry into the sky, thus giving him confidence.
"Did you forget your yellow bird, how could you forget your yellow bird" - We are nowhere and its now.
Throughout the book, Perry Smith often dreams about a yellow bird. This bird symbolizes hope and the willingness to persevere in life. No matter what kind of trouble Perry dreamt he was in, the yellow bird would always rescue him. For example, when Perry was young, he would often dream about the fact that orphanage nuns would abuse him. In these dreams, the yellow bird would attack the nuns and lift Perry into the sky, thus giving him confidence.
"Did you forget your yellow bird, how could you forget your yellow bird" - We are nowhere and its now.
by Carlvskansas December 6, 2009
Get the yellow birdmug. by sk8more805 December 11, 2006
Get the ghetto birdmug. by PvEnjoyerture December 1, 2021
Get the Angry birdsmug. by Gwelly Livin March 6, 2022
Get the Gwelly Birdmug.