blether

Example:He loves to prattle on about his latest plans for the weekend, without any real substance.

Definition:To talk in a meaningless or repetitive manner

Example:In her old age, she used to coo about her past, often reliving stories she had already told.

Definition:To talk in a soft, unimportant way

Example:The young boy was gabling about his pet mouse, perhaps unaware of the fate of the little creature.

Definition:To talk rapidly and without thought; to babble