When one can't come up with a good excuse for cheating on their spouse or significiant other.
"You rotten, no good, lying, cheating son of a blankity blank."
"Honey, I didn't mean it, I can't remember anything, It was nothing, I took a sleeping pill. It was only Ambien Sex."
Incredible sex ten to fifteen minutes after taking the sleeping pill ambien.
After taking ambien, the taker gets incredibly horny and has uninhibited ambien sex. The taker of the pill will completely forget the sex the next morning. The recipient of the ambien sex will reap the benefits of this side effect.
1. Taking Ambien before sex to forget who you were with the next day.
2. The excuse Tiger Woods used with his wife for cheating.
Ambien Sex. eg. Waking up next to Tiger Woods with you ass hurting and seeing that he has a big smile on his face, and a empty bottle of Ambien in your hand.