How to spot a dick: cocky players who just disappoint you in the end are lurking all over the place. The problem is, these guys are good at their game. But our guide to picking up on prick behavior, even from across the room, will keep you clued in.(TOTALLY COSMO)

Even if you've never fallen for one of them firsthand, you know they're out there: supercharming dudes who swoop women off their feet, take them for the most flirtatious, flattering ("Babe, you're the hottest woman on the planet"), and maybe sexual ride of their life, mid then--hello? Anyone there?--they disappear. Or worse, they stick around for a little bit, but since the pursuit is over, they let their true--that would be asshole--colors come out.

Well, what if there were a way to spot a callous player before you even speak to him? It seems, according to experts, that you can pick him out era crowd--you just need to know the telltale signs. And there are plenty of them: things you can zoom in on from a distance and smaller giveaway details you can read closer up. So Cosmo consulted real guys--nice ones and self-professed cons--plus experts in anthropology, body language, and even military interrogation who revealed the female-snaring secrets of shady dudes. Sure, men who show one or two of these markers are likely harmless, but if you find the perfect storm of signals? Chick, he's a dick. On these pages, we witness one in action.

Liar's Look

A guy who talks slowly and arches his eyebrows is gauging if you by his BS.

SOURCE: BODY-LANGUAGE EXPERT GREG HARTLEY

from 50 feet away

Here's how he zeroes in on his target at a crowded bar.