A person is eagle spread on the bed. They make an x shape. One hand on a post the other hand on the post next to it and same with your feet.

When you pose for a picture you hold out both arms and tilt your head upward. The eagle spread pose indicates to others that you are an eagle and they are small birds which you can eat. It is a pose of dominance. This pose was invented by comedian Dex Carrington and featured heavily in the series "Dexpedition" on MTV Europe. The pose later gained international appeal when it was featured throughout the Snowboard World Championships in Norway 2012.

When a girl opens her legs so far that her pussy actually splits in half.

A particular dance move in which one lays on their back and opens their legs in a split position to the sky.

when a girl is waiting for penetration, she is laying there spread eagle aka - legs spread apart. imagine a eagles wingspan while it is flying, then think of how her legs would be.
SPREAD EAGLE NIGGA

When one makes Eagle noises while spreading legs and flapping arms during sexual intercourse.

(Mostly used in a sexual context) When a girl spreads her legs apart; practically doing the splits; super sexy; even splitting the legs at a 180-degree angle makes her vag split its wet self in half