Who directed the film that is a 2006 gay romantic comedy film about  four gay friends  who vow upon graduating high school that they will all lose their virginity of he insertion and thrusting of the erect penis into a person's anus ?
Anal sex: Anal sex or anal intercourse is generally the insertion and thrusting of the erect penis into a person's anus, or anus and rectum, for sexual pleasure.
i don't know