Possible Meanings Of Thumb In Dreams
To see a thumb in your dream can indicate that you need to get a grip on things. It is symbolic of power and ability.
If you are giving the thumbs up, then it can represent approval and that you are "okay" to proceed.
If you are giving the thumbs down, then it means disapproval.
To dream that you have no thumbs can denote poverty and loneliness.
To dream that you have an abnormally large thumb may signify a rapid rise to success.
To dream that your thumb has a very long nail may signify that some negative force is luring you toward some illicit activity.
Oracle Dream Interpretation