The Collaborative International Dictionary of English v.0.48:

Wamble \Wam"ble\, v. i. [Cf. Dan. vamle, and vammel squeamish,
   ready to vomit, Icel. v[ae]ma to feel nausea, v[ae]minn
   nauseous.]
   1. To heave; to be disturbed by nausea; -- said of the
      stomach. --L'Estrange.
      [1913 Webster]

   2. To move irregularly to and fro; to roll.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Wamble \Wam"ble\, n.
   Disturbance of the stomach; a feeling of nausea. --Holland.
   [1913 Webster]

WordNet (r) 3.0 (2006):

wamble
    v 1: move unsteadily or with a weaving or rolling motion [syn:
         wamble, waggle]