incarognire

Etymology
From.

Verb

 * 1)  to become worthless, to become a good-for-nothing
 * 2)  to become vile, to become a scoundrel
 * 3)  to make (someone) become worthless or good-for-nothing
 * 4)  to make (someone) become vile or a scoundrel
 * 5)  to anger, to annoy, to irritate