Gurgling, burbling, bubbling — an onomatopoeia for the sound of liquid mixing with air (e.g., water welling up or pouring).
蛇口をひねるとごぼごぼと水が出た。
When I turned the tap a gurgling stream of water came out.
スープが煮えてごぼごぼと音を立てている。
The soup is boiling and making a bubbling/gurgling sound.
古いパイプからごぼごぼと変な音がする。
A strange gurgling noise is coming from the old pipe.