Adjective, : a mangy trick. ,a mangy little suburb.    From Dictionary.com. 

The new President had come in quietly enough, but there was an ugly feeling of uppishness in the lower classes, the bottom dog clambering mangily to the top.    From Wordnik.com.  [The Plumed Serpent] Reference

When this communitarian impulse breaks down, when the bonds of human connections are severed, then humanity, like its symbolic representative Karrer, descends to growling in the streets, running mangily through the harsh elements with no protection and no hope.    From Wordnik.com.  [Damnation] Reference