finger wagging (side to side) warning, refusal
Rather like the waving of a
pistol as a threat. Stop it/do as
you are told, or else..
hand chop emphasis -
especially the last
word on a matter
The hand is used like a
guillotine, as if to kill the
discussion.
clenched fist(s) resistance,
aggression,
determination
One or two clenched fists can
indicate different feelings -
defensive, offensive, positive or
negative, depending on context
and other signals. Logically a
clenched fist prepares the hand
(and mind and body) for battle
of one sort or another, but in
isolation
the
signal
is
impossible to interpret more
precisely than a basic feeling of
resolve.
hand stroking chin thoughtfulness
The stroking of a beard is a
similar signal, although rare
among women.