1. to speak in a confused, excited, or continuous way
2. to make a continuous murmuring sound like flowing water

Examples

• The excited child burbled about her day at school.
• He burbled on about his vacation plans for twenty minutes.
• The stream burbled softly over the rocks.
• She burbled with joy when she saw the surprise party.
• The baby burbled happily in her crib.
• Water burbled through the old pipes.
• The fountain burbled peacefully in the garden.