If your impression of the male wild boar is fierce, it may mean that some part of your heart is fighting for recognition.
If you associate reproduction with it, it is a direct sexual symbol. On the other hand, reproduction has a more metaphorical meaning: that is, giving a repressed part of life.
If it gives you the impression of being animal. Then animal nature may refer to the oppressive part of the original or not accepted by society.
If it is associated with sin or if it has sexual cues for you, it represents your own suppressed sex-related emotions.
Wild boars represent aggressiveness. Human aggression sometimes faces itself. So you should find the source of your offensiveness. For example, a man may be related to the Oedipus complex.