chick magnet

noun2

1. •
   (informal) Something that tends to get the attention of women, especially young women.

   • When he walks his dog the girls all want to pet it – it's a real chick magnet.
2. •
   (informal) Someone (chiefly, a man) whom women, especially young women, find very attractive.

   • With those clothes and that smile, he's a real chick magnet.