The tail symbolizes the completion of a spiritual action, the finishing touches. It brings our involvement to an end. Related DreamsTail Figurative of the least important or respected; see “last”Tail 1. A good omen for most things. 2. Something great is in the offing. 3. Slang for sex. 4. Wordplay for “story,” possibly an excuse.Tail If you dream of having a tail it can symbolize immature behavior. A tail can also symbolize being last or unimportant, Deut. 28:13. Having a tail is also symbolic of a false teacher, Isa. 9:15A Horse Having a Long or Short Tail A hose with a long tail means a person will have many followers while a horse with a short or cut tail means he will have less followers.