Originally Posted by Dave242
Are you talking about precession? I am having a hard time imagining wobbling that is not precession (unless the top is out of balance. Like a glob of mud on the rim of a disc like Carnavas said upthread...or an Epic)
Technically OAT is precession.
Read this wiki on precession
. Focus primarily on the section about Torque-free precession, and I think that describes what we would refer to as OAT.