Saw this over at Broad Street Hockey and thought it was a good idea.

Orr

v. 1.  To revolutionize completely
    2.  To own everyone on the ice, from a defensive position

Milbury

v.  1.  To empty a stick rack in rapid succession
     2.  To speak in a such a way as to appear to have no knowledge of hockey whatsoever

Ruzicka

n.  A nifty play in which a player flips the puck over the net to a teammate, often resulting in a goal.

The Claude Lemieux

n.  A move that involves slamming ones head against the boards, while in the fetal position.

Jacobsizing

n.  The act of building a team for profit rather than for winning.

Wideman Shot Principle

The discovery that 100% of the shots taken that miss the net, in fact, do not count as goals.
(See also: Marco Sturm Breakaway Principle)

Thomas OT Factor

Seen when normally fluid goaltenders change completely in the 5 minutes following regulation, generally resulting in a loss.

Edwardsian Lexicon (Term borrowed from Puck Daddy)

n.  1.  Any words spoken in an over-exuberant, game-induced, Jack Edwards rant.
     2.  For the most part, highly entertaining words of truth.

Whooo!!

v.  1.  The sound commonly heard following a Bruins goal
     2.  Far superior to "Ole"

Ference

v.  1.  To become inexplicably injured on a seemingly harmless play. 

The Bruin

n. 1.   An advocate of all things true and just in the world of hockey
     2.  Responsible for maintaining justice among wayward Bruins fans.

WHEELing into the Zone

Seen during a breakout when someone craps the bed and goes offsides unprovoked

Samsonov

v.  1. To skate and puckhandle better than anyone in the league, only to pass it at the last second to a   teammate with no offensive skills whatsoever.

Samuelssonesque

n.  Having an unbelievable mix of talentlessness, cowardice, female anatomy and more cowardice.

Sinden

v.  To linger in the background beyond one’s due time; to continue to cast a shadow despite being removed from a position or status. 

If you have any other ideas ( and I'm sure you all do), post them and we'll add them to the list.