One of the most severe spiders I've seen posted was given to Corey Woods on a breeding loan, here are some links to the picture of that animal.

http://www.coreywoods.com/Misc/Spide...eHead_3664.jpg

http://www.coreywoods.com/Misc/Spide...eHead_3666.jpg

http://www.coreywoods.com/Misc/Spider_3749.jpg

http://www.coreywoods.com/Misc/Spider_3773.jpg

http://www.coreywoods.com/Misc/Spider_3802.jpg

Would I breed THAT spider, heck no...

Hope that gives you a visual to what can be meant as to "spinning" and "wobbling"