Source: The Great Interpretation of Dreams (Ibn Sirin)
A paternal male cousin in a dream indicates kinship and support, and may indicate a partner or friend.
Source: Perfuming Humanity in the Expression of Dreams (Al-Nabulsi)
A paternal male cousin indicates a close man who benefits or harms depending on his state in the dream.
Source: Signs in the Science of Expressions (Ibn Shaheen)
A paternal male cousin is interpreted as goodness and benefit if he is in a good state.