growly

Here comes Tyson's team, a dozen bodyguards, growly and hard, in black leather hats that say KICK ASS.

"Now just don't you overdo this Lord-of-Creation business, Mr. Man," says a deep, growly voice.

That senile old substitute of yours—the Dock—has been as growly-powly as a bear to-day.

Grumpy-growly, the father, was a jolly, cross old fellow—oh!

But I don't think he got it very bad, because we all knew by the noise he made that Big Growly wasn't really very mad.

Perhaps it is high pitched and squeaky; or, on the other hand, a "growly" bass suggestive of ill-nature.