A person who acts in the interest of someone else, ignoring the natural loyalties of her/his own office and so incurring the contempt of others. A cretin, a quisling.
The nunes ignored his constituents and colleagues in giving priority to the interests of the people who had given money to his campaign fund.
by Wryface March 25, 2017

Verb To execute a rapidly and poorly thought out plan dig a hole and bury someone else only to find you're the one in the hole.
When I was 10 my 13 year old brother nunesed himself when he told my parents I was smoking cigarettes with him.
by WTF is going on here? February 6, 2018

