Used to describe the sound of a voice or sound that is thick and rich. Many narrator's voices are Deconquitive. When heard in a voice, one might imagine that the inside of the mouth is covered in wet velvet, causing the thick and spitty characteristic.
"That narrator's voice was SO Deconquitive! It gave me goosebumps."
"The shoe sounds when they are walking quickly away from the killer in the parking garage were SO Deconquitive."
"That make-out scene was real Deconquitive. Ugh, gross!"