Justin Timberlake Likes Nothing Better Than a "Pretty Girl With a Nasty Mouth"

Want a shot at dating Justin Timberlake? Just tell a dirty joke. The hunky singer turned actor reveals that girls with dirty mouths are a serious turn-on!

In the August issue of Cosmopolitan, Justin offers some tips on the gutsy moves women can make that will make guys fall head over heels!

"I like a woman who doesn't necessarily care if other people like her," Justin explains in "The Sexy Confidence Guys Love" article in Cosmo's new issue. "She is who she is and figures people can take it or leave it."

And another way to make Justin swoon — tell a dirty joke!

"There's nothing better than a pretty girl with a nasty mouth," he shares. "It's every guy's fantasy."

Justin is currently starring in Bad Teacher, alongside ex-girlfriend Cameron Diaz and you an also catch him at the box office this summer in Friends With Benefits opposite Hollywood hottie Mila Kunis!