Icing:

Shooting the puck untouched from beyond the red line (center ice) past the opponent's goal line and then being touched first by the opposing team. Though it's technically not a penalty, it does have a hand signal, left arm straight up in the air.

Boarding:

Checking(shoving) an opponent so the he is thrown violently into the boards. Referee smacks right fist into upheld left palm.

Crosschecking:

A check(shove) delivered with both hands on the stick and no part of the stick on the ice. Referee pushes parallel fists away from his chest.

Misconduct:

Penalty to any player except the goaltender that results in removal from the game for a 10-minute period. Referee places his hands on his hips.

Tripping:

Using a stick, knee, foot, arm, hand or elbow to cause an opponent to trip or fall. Referee pushes left hand, palm down, towards the ice and lifts left knee.

Charging:

Running into, jumping into or charging an opponent. Referee makes two fists and rotates them around each other.

Interference:

Interfering with the progress of an opponent who is not in possesion of the puck. Referee crosses his fists over his chest.

Holding:

Holding an opponent from moving with hands or stick or any other way. Referee grabs his left wrist with his right hand.

Slashing:

Blocking or trying to block and opponent by "slashing with the stick". Referee makes a chopping motion with his right arm.

High Sticks:

Carrying the stick about the normal height of the shoulders. Referee holds his fists one on top of the other up near his head.

Elbowing:

Using an elbow in any way to foul an opponent. Referee holds his left forearm perpendicular to his bicep and points to his left elbow with his right hand.

Hooking:

"Hooking" a stick around an opponent to try to block his progress. Referee makes pulling motion to the side with his arms. It mirrors a hooking motion.

Delayed Call:

A referee signals that he is about to penalize a player, but will not stop play until the team to be penalized touches the puck. Referee holds up his right arm.

Spearing:

Stabbing an opponent with the point of the stick blade while the stick is being carried in one or both hands. Referee makes poking motion with both hands.

Wash-out:

A goal that is ruled invalid by the referee, or waving off of an infraction by the linesman.

Match Penalty:

Any player, including the goaltender, will be ejected immediately for deliberately injuring another player. A teammate must serve a five-minute major for the ejected player. Ref places right hand on head.

Hand Pass:

Players can't close their hands on the puck, pick it up from the ice or throw it. Ref waves right arm with palm flat.