Dreams containing giraffes are not common, and the few that do have these amazing creatures in are as children’s toys, so would need personal associations to understand. See soft toys; Associations Working With
The neck is a very vulnerable area and a long neck makes it difficult to get up easily. But some people see the neck as indicating the will, but I feel it is an expression of the desire to express oneself. Another idea is that it can relate to the distance between the heart/feelings and the head/thought; suggesting that one may be out of touch with ones feelings.
It could appear as an ungainly comic character showing strange or funny aspects of the person’s inner life.
Useful questions and hints:
What feelings or associations do I have about the dream giraffe?
Was there anything the giraffe was doing?
Did I feel any connection with the giraffe and if so what was it?