1: someone who is very attractive to women
“Good Lord,” said Pascoe, conjuring up a picture of the young man. Amiable, attractive, yes, but a babe magnet … ?— Reginald Hill, Death Comes for the Fat Man, 2007
2: something that makes a man more attractive to women
Don't get me wrong. This Cutlass Ciera of yours is no babe magnet. — Ray Magliozzi in Ask Click and Clack: Answers from Car Talk, 2008