Crooked as a dog's hind leg simile
Very dishonest and deceptive
Don't play cards with Tom. He's as crooked as a dog's hind leg.
I advised Mary shouldn't put her trust in Tony. He's as crooked as a dog's hind leg.
To be dishonest or deceptive and no one can believe
To be extremely stupid; not to be alert
She didn't know her ass from a hole in the ground when quitting such a decent job.