Wamble
Both a verb and noun meaning: <B>1.</B> To move unsteadily; an unsteady motion.
<B>2.</B> To feel nauseated; a feeling of nausea.
<B>3.</B> (Of a stomach) To rumble or growl.
From the Middle English wamelen (to feel nausea), from the Indo-European root wem- (to vomit), the source of the words such as vomit and emetic.