Dirty rap, also known as booty rap, porn rap, or sex rap, is a subgenre of hip hop music that contains lyrical content revolving mainly aroun sex and sexual subjects. The lyrics are overtly sexually explicit and graphic, often to the point of either cartoonishness or extreme offensiveness. Musically, dirty rap often contains a distinctly bass-driven sound, as the subgenre actually arose from the popular Miami bass rap scene. However, dirty rap has recently been heavily influenced by Baltimore club, Ghetto house, and ghettotech.