Lewis & Short

nūgor, ātus, 1, v. dep. n. [id.].

  1. I. To jest, trifle, play the fool, talk nonsense ( = φλυαρεῖν; syn. ludo): Democritus non inscite nugatur, ut physicus, Cic. Div. 2, 13, 30: cum aliquo, Hor. S. 2, 1, 73; cf. id. Ep. 2, 1, 93.
  2. II. To trick, cajole, cheat: nugatur sciens, Plaut. Cas. 5, 4, 11: non mihi nugari potes, id. Ep. 3, 4, 42; id. Trin. 4, 2, 55.