anal sex
insertion of the penis into the anus or other sexual activity involving the anus
pegging
sexual practice in which one person uses a strap-on dildo to perform anal sex on another
anal fisting
sexual activity involving the penetration of the anus by the whole hand, sometimes a form of masturbation
male-on-male anal sex
sexual activity that involves a male performing anal sex on a male
gay anal sex
anal sex between men
male-on-female anal sex
sexual activity that involves a male performing anal sex on a female
double anal penetration
when an anus is being penetrated by two penises
homosexual anal sex
anal sex between two people of the same gender
anal intercourse
insertion and thrusting of the erect penis into a person's anus, or anus and rectum, for sexual pleasure