The word "skank" can have a few different meanings depending on the context in which it is used. In slang, it can refer to a promiscuous woman or someone considered to be morally questionable. Additionally, in the context of music, particularly reggae, "skank" refers to a dance style characterized by rhythmic and lively movements, or to a particular guitar strumming technique.
The term "skank" is believed to have originated from the Jamaican Patois word "skank," which means to dance or to move rhythmically. It has been used in various contexts since the late 20th century, especially in association with reggae music and slang describing promiscuous behavior.