meaner than a junkyard dog

meaner than a junkyard dog (with fourteen sucking pups)

Rur. cruel; eager to fight. Don't mess with her. She's meaner than a junkyard dog with fourteen sucking pups. They say Jim's meaner than a junkyard dog, but really, he's a sweetheart.
See also: dog, junkyard
References in periodicals archive ?
As played by Justine Lupe (an actress to watch, in Frances Ha among other film and TV projects), Sue is meaner than a junkyard dog, and her palpable contempt for her thin-skinned father is an ugly exercise in cruelty.
Why, even as a party boss, I'd bet He sweetly stroked the fattest cats, and yet In this campaign, this sordid travelogue, He now acts meaner than a junkyard dog.