What is the X in X-mas?
antispasmodic an·ti·spas·mod·ic (ān'tē-spāz-mŏd'ĭk, ān'tī-)
Preventing or relieving convulsions or spasms. n.
An antispasmodic agent.
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.