not able to think
right; crazy. The expression comes from the
fact that mercurous nitrate, a chemical once used in the making of felt
hats, sometimes produced
St. Vitus's Dance (a nervous disorder in which jerking movements are caused by uncontrollable contractions of the muscles).
not able to think
right; crazy. The
term is from the
fact that mercurous nitrate, a chemical once used in making the felt of
hats, sometimes produced
Saint Vitus' dance. See also
Saint Vitus' dance in this glossary.