chick magnet
Noun
Meaning
(US, colloquial) 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.
(US, colloquial) Someone (chiefly, a man) whom women, especially young women, find very attractive.
With those clothes and that smile, he's a real chick magnet.