Will.I.Am burbles away in a fabulously incoherent way about how he makes songs.

The computer would be burbling away and the lights would be fluttering around the console.

She could hear Steven burbling away happily in the background, words such as " I'm sure the two of you will hit it off.

It is very hard therefore to listen to Sideshow Birb burbling away about that which she barely understands.

It has character, too, burbling away in a friendly manner that's endearing to the rider.

Firstly is the tendency to have wallpaper music burbling away in the background throughout every %$*&ing frame of the programme.

In the meantime, the music from the car's sound system could be heard burbling away in the background.

Downslope, a bright stream burbled away over clean rounded stones.

The coffee machine burbled away in the big silent kitchen.

We zip around on the maze of paths beneath the trees while she burbles away on the back of my bike.