Lewis & Short

prae-pinguis, e, adj., very fat (poet. and in post-Aug. prose).

  1. I. Lit.: sues, Plin. 8, 51, 77, § 207: solum, i. e. very rich, very fertile, Verg. A. 3, 698: ubertas, Plin. 18, 17, 45, § 162: quod praepinguis fuerit visus, Suet. Galb. 3.
  2. II. Trop.: vox praepinguis, too thick, Quint. 11, 3, 32.