Top Definition
Any of 7 different combinations of 4 square blocks; the falling bricks in Tetris
As the tetraminos fall, rotate them to fit into the lines below.
by Luigi Hann August 12, 2003
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×