A guy that seems to care about a girl but is pretending, and only to get what he wants. He only cares about himself.
"Scott is such a dickhead. Lacy thought he was a nice guy and he was for awhile, but in the end he was a total dickhead to her.
Yeah Scott went on a couple of dates with Lacy and seemed like a real nice guy, then he started ignoring her emails onlihne and not calling."