There have been literally billions of words written on the topic of putting somebody on a hand - most of those words have been written by Daniel Negreanu, but that is beside the point. Putting somebody on a hand is both a skill and an art. Some folks can do it to the point where they look like they are almost psychic. Let's be honest though, there are no absolutes when it comes to putting someone on a hand.
There are people who will spend hours staring into the mirror, working on their poker face and trying to figure out ways to fake people out with their expressions or a subtle raise of the eyebrow. While having a really good and versatile poker face is just one more tool in the kit, there are plenty of messages that can be sent without having to learn the art of face acting. The clock is something that can be used to send out any signal you want about your hand.
Texas Holdem has a lot of fun names for the starting hands players get, such as Pocket Rockets for two aces, Big Slick for ace, king, and Doyle Brunson for ten, two. One name that entered the Holdem parlance in recent times is "The Hammer", named after a player who played it often in the home game of Grubby, a well known poker blogger.