churgle

To chuckle and gurgle at the same time

He was a very grave man habitually, but a churgle (if for once I may be guilty of word-coining) a sort of cross between a chuckle and a gurgle, was audible in his fat throat as he walked over the thick red carpet of the corridor with his salver in his hand.

They knew they were going to have a whacking great feast before long and the fact that it was none other than Boggis's chickens they were going to eat made them churgle with laughter every time they thought of it.

To hum or rumble, as an engine

In the distance, riding from one valley to another, the train whistle sounded. The waiting men stiffened. An occasional crow swooped over them, crying noisily, the only other sound the slowly rising churgle of the train.

Two motorboats covered with cameras churgle out and find me. I am circled and clicked at—talk about self-conscious!