mahoff
n.— «The pro tem is the big mahoff in the Senate, the guy with the title and the money and the power. He’s two breaths away from being governor, and he passes out office space.» —“‘It’s not who’s pro tem, it’s who has votes,’ Pardee Hack says” by Carmen Brutto Harrisburg Patriot (Penn.) Dec. 17, 1990. (source: Double-Tongued Dictionary)