Originally Posted by
VegasTriker
Have you checked for a broken axle? It happens. It will introduce a really bad wobble. The only way to be sure is to remove the bolts that hold the wheel to the frame or open the quick release and remove the wheel. If the axle is broken it will fall out in two pieces. It could be that the only thing keeping the wheel on the bike is the quick release or axle nuts.
It's pretty obvious from his post that OP hasn't checked ANYTHING.