If the act is performed with a dry surface such as wood, stone, dry sand, earth, or a substance that does not stick to the skin in a dream, it means that one’s travel plans may be infeasible, or it could mean that he will become cheep, or pursue his evil desires.
To perform tayammum while water is accessible in a dream means falsehood and hypocrisy. It also means hoping for forgiveness while adamantly pursuing the avenues of wrongdoing, giving preference to one’s interests. in the world over his lasting benefits in the hereafter, preferring masturbation over lawful sexual intercourse, or being a hypocrite, and it could mean recovering from a terminal illness, or release from prison.
(Also see Enacting; Ablution)