What does «unjú» mean in Spanish?

Interjection that expresses doubt, distrust, irony or disbelief, depending on intonation, emphasis and context.

♦ Used in: Puerto Rico - Venezuela

Examples of use in Spanish: "-¿Crees en la honestidad de los políticos? // -Unjú..."

"-¿Has entendido lo que dije? // -¡unjú!"
Interjection used to express assent, equivalent to "así es", "well".

♦ Used in: Dominican Republic - Venezuela

Examples of use in Spanish: "-¿Te gusta la comida? // -Unjú ¡deliciosa!".