wam·ble 
(wŏmbəl, wăm-)
(wŏmbəl, wăm-)intr.v. wam·bled, wam·bling, wam·bles
1. To move in a weaving, wobbling, or rolling manner.
2. To turn or roll. Used of the stomach.
n.
1. A wobble or roll.
2. An upset stomach.
[Middle English wamelen, to feel nausea; see wemə- in the Appendix of Indo-European roots.]
wambli·ness n.
wambling·ly adv.
wambly adj.