1. (of an event, a person, or a piece of information) Causing great sexual interest and excitement: "a sinsational orgy."
2. Very good sex indeed; very impressive, exciting, and satisfying sex involving usually the forbidden fruits of fornication, adultery, pornography, homosexuality, lesbianism, bestiality.
During two hours of unusual and unbelievable pleasuring involving a group of at least 3 people who needed to use birth control, all unmarried or married to sombody else, toys inserted into various parts of the male and female anatomy, and an animal or two while pornographic movies played on a big screen TV in the room, a voice cried out from the center, "THIS IS SINSATIONAL !!!"