It does not culturally translate to "have goblin" in flamenco and other forms of art it means to have soul
"A moving dance, painting, song"
Have Goblin is an expression that means that a person has charm, sexy, charisma or magic to attract to other people. In the South of Spain is usually use this expression in the world flamenco to refer are to the magic and charm related with this type of dance and music.
You have Goblin a person, is to have art, the magic, the spell of Captivate with their art the will and affection of others.
You have someone DUENDE: Verbal speech obsolete meaning, bring in the imagination something that worries him.
It is talent for any given activity. For example, for dancing, singing, etc.