The Spin power allows you to make a whole smiley spin (including hands, hats and hair) 360, in a clockwise or counter-clockwise direction.
To make the smiley turn in a clockwise direction, add #spin to the smiley.
To change the speed, add #w? to the end, whereas the "?" is a number from 1-6, progressively getting slower.
If you only add #spin then it will turn clockwise at the default speed of w1.
To make the smiley go counter-clockwise, add #w?1 whereas the "?" is a number from 1-6, again getting progressively slower.