To have interaction or to encounter or to see a boa constrictor, when you are dreaming, is a sign of problems in relationship. Boa constrictor can be interpreted as symbolism that you have feeling of suffocation in daily life. Maybe you are restricted in some situation or personal relationship. On the other hand, there can be different explanation, it has the symbolic significance of secret desires. This means repressed sexual fantasies and urges or hidden enjoyment of sex.