|the offspring of a zebra and a donkey.|
|a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.|
spasmodic spas·mod·ic (spāz-mŏd'ĭk)
Relating to, affected by, or having the character of a spasm; convulsive.
Happening intermittently; fitful.
Given to sudden outbursts of energy or of feeling; excitable.