Also railway slang for a broad with nice big boobs and nice ass. Bo'Bo' is a more modest.
Rail enthusiast 1: Dude, check out that Co'Co' over there! I'm gonna hit on her
Rail enthusiast 2: Yeah, you do that while I feel up this Bo'Bo'
The name is derived from a legendary Cocoer called Coco who preyed on young girls during 2008 / 2009/
Guy 2 : "Dont be such a Coco"
"So what if my girlfriends only 8 years old, theres nothing wrond with Cocoing"