What is a poker "tell"?

What is a poker "tell"?

Frank Scoblete (Casino Gambling Expert & Bestselling Author) gives expert video advice on: What is the basic game play in Texas Hold 'Em Poker?; How can I calculate the odds of getting the poker hand I am going for?; Can I really learn to play poker online? and more...

In Texas Hold 'Em, and other poker games, there is a word called "tell." A smart player can look at you and figure: he's got the goods, or he doesn't have the goods. The "tell" is everything about your physique and body language that gives away how good your hand is.