Sexual encounters between two or more people who do not know each other, who have not been introduced, and often, who never learn each other's real names. Among gay men, practiced at sex clubs, parties, and bars, or arranged by placing or responding to online casual encounter
ads or in online chat rooms
Carol only sleeps with guys she's met socially, but Alice prefers the thrill of anonymous sex.
At the bath house
, I had to explain to my buddy Ted that anonymous sex is the norm; most guys get freaked out if you walk up to them and ask for their name.