Psychologically: Obvious symbol for unfreedom and a compulsive situation, but also for the obligation to be quiet about something what - really and passes on - negative results would have: One feels 'gagged'. If we are gagged in the dream, we lack in the awake life the right words, around that what we feel to be able to say also. Popular: (arab).: see: Illness, in the mouth: you hide the truth. (European ones).: have in the mouth: an obstacle omen, - one cannot escape serious difficulties on one will come up.