(n) Any person who penetrates another person's anus for
sexual gratification. Often referred to in homosexuality, however has been known to be referred by straight couples in
masochistic sexual positions.
(adj) anal-spelunking the act of having anal sex with another person.
Tom was referred to as an anal-spelunker by his co-workers because he had a boyfriend.
John asked his wife if he
could do some anal-spelunking tonight.
Antonio and
Sergio claim to be anal-spelunkers