wam·ble /ˈwɑmbəl/
  Wam·ble v. i.
  1. To heave; to be disturbed by nausea; -- said of the stomach.
  2. To move irregularly to and fro; to roll.
  Wam·ble, n. Disturbance of the stomach; a feeling of nausea.
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  wamble
       v : move unsteadily or with a weaving or rolling motion [syn: waggle]