Lewis Short
(verb) : lūtĭto, āre, 1, 1. luto
* To bedaub; only trop., to bring into contempt, to asperse: nam hi mores majorum laudant, eosdem lutitant quos conlaudant,Plaut. Trin. 2, 2, 15 Brix ad loc.
Charlton T. Lewis, Charles Short, A Latin Dictionary