What is the origin of the idiom "give someone some skin" and when to use it?

The idiom "give someone some skin" is believed to have originated in the United States in the mid-20th century, particularly in African American Vernacular English (AAVE). It is a slang expression that means to exchange a friendly, informal handshake, often involving a physical greeting where two people slap or pat each other's hands or sometimes perform a "high five." This idiomatic phrase emphasizes the idea of creating a connection or showing camaraderie through a unique and casual gesture.