1. Anal secretion emitted by a women during rectal intercourse. Unlike pussy secretions which leak from a women's vagina before sex, when she becomes aroused or intensly after orgasm, butt nectar only is necessary during intense anal sex. Also called butt-lube and ass-juice, anal nectar is crucial for a great ass-fucking.2. All-natural anal lubricant produced in a women's asshole during anal sex. Much like Butt nector. Ass nectar is for larger fat folks and plumbing technicians that expose it toward world, whether on purpose or accident.