1. A word that is synonymous for many different words depending on the context, often referring to specifics, particulars or minutiae.
2. It can also reference the physical anatomy that makes a woman physically attractive to men.
3. A hot girl, or a girl with a great body.
The word "details" is an excellent gap word or code word for certain topics when used correctly in context among a group of friends.
The example below references multiple instances where using the word "details" would be appropriate:
Guy 1: Dude, Lollapalooza this year was AWESOME!!!
Guy 2: Yeah? What was it like -- fill me in with ALL the details!
Guy 1: There were sooo many hot chicks there -- I couldn't stop staring at all their DETAILS!!! I even yelled out to this one hot chick, "Nice DETAILS!!!"
Guy 2: Sounds awesome -- I'm totally going next year!!!