OK, here goes… slowly: The word describes a very populare game, which is played all over the world. The word consists of two parts, which quite accurately descibes the game: 1) Foot 2) Ball Part 1) Foot. This means that the foot is the main body part involved when playing this game. Part 2) Ball. This means that the game is played with a spheric (globe-shaped) object.
https://www.urbandictionary.com/define.php?term=football