Top definition
1. A board game with pieces similar to tetris shapes. Each of the 4 players starts in one corner and connects their colored pieces at the corners of their other pieces. The objective is to use up as many of your pieces as possible.

2. An exclamation yelled during a game of blockus or any other event when you have completely blocked somebody.
1. Blockus is the one of the greatest board games ever.

2. Player 1:Oh no your last move has completely

blockus-ed me.

Player 2: Boom! BLOCKUS!!!!!!!!
by rat killah June 16, 2009
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