The uncanny ability of a junkie/drug user to locate substances at any given time or location
Billy's junkdar struck again: we were having a good time at the bar and next think you know he's got an eight-ball. He ruined another 'beer only' night with his junkdar.
A woman whose individual body parts are nice, but they don't match, so her body is like a Barbie doll assembled by taking various parts out of a trash heap.
You are with a friend and see a woman with a cute face, but her head is a bit big for her body. Or she has a nice bosom and an upper body that is right for a 140 pound woman, mixed with thin legs that look like they belong on a woman weighing 105 pounds. You say to your buddy, "check out the Junkyard Barbie over there".
potentially the most problematic term ever created. very racist and offensive to almost every marginalized group. Every time you say it trump gets a boner