There is 2 ways to do it, the first, you move in a straight line and can do multiple
emotions, the second, you go forward and you can turn, BUT ONLY 1 EMOTION AT A TIME!

1.with your mouse, click somewhere far away(you should be moving in a straight line), 
  quickly go to emotions list and choose an emotion, you should be doing that emotion 
  while moving. If lucky, you can do another emotion right after that.

2.Do the same thing as #1 but after you press your emotion, press and hold the up 
  arrow, you can now turn left and right(keep holding up arrow). Works best with a
  long emotion like rofl under Theatrics.