Lewis & Short

fello, āvi, 1, v. a., to suck (ante-class. and poet.).

  1. I. Lit.: lac humanum, Varr. ap. Non. 113, 14: lupam, id. ib. 242, 33.
  2. II. Transf. obsc., Mart. 2, 50, 1 al.; Aus. Epigr. 71, 7.