The expression quot; be a forward quot; It is used in Spain and means a person desperate, distressed, or desirous of something intensely. According to the Spanish Youth slang, means being ambitious and also be scary, anxious.
be a craving is incorrectly written and should write is as "be a forward." being its meaning: Locution adverbial of mode. Can function as adjective or noun, depending on context. Jesus said is of someone selfish and greedy, that all it wants for itself same.