The cobra is when a person is so drunk, they are not even aware that they had sex with a hideous woman. They woman, like a venomous snake, takes it victim back into the bedroom and has her way with him. When the person wakes up from being passed out, they have no recollection of the events that have just transpired. The victim is left scarred for life.
Cobras are venomous snakes of family Elapidae, of several genera. (Elapidae also include the taipans, brown snakes, tiger snakes, fierce snakes, coral snakes, mambas, and sea snakes.) Cobras generally inhabit tropical and desert regions of Asia and Africa.