ヤリチン

noun

playboy; womanizer; man who sleeps around

Vulgar slang for a man who has sex with many women; often carries a negative or derogatory tone.

• あいつはヤリチンだから、気きをつけたほうがいいよ。

  He's a womanizer, so you'd better be careful.

• ヤリチンと付つき合あうと、後あとで泣なくことになる。

  If you date a playboy, you'll end up crying later.