1. Anal secretion emitted by a women during anal sex. Unlike pussy secretions which leak out of a women's vagina before intercourse, when she becomes aroused or intensly after orgasm, ass nectar only comes into play during intense anal intercourse. Also known as butt-lube and ass-juice, anal nectar is imperative for a good ass-fucking.
2. Natural anal lubricant produced in a women's asshole during anal sex.
"This chick wanted anal last night, so after I had it buried in her booty for like 2 minutes, I already had mad