fall foul of Copy link Outline I. Lit.1. incurro, curri and cŭcurri, cursum, 32. collīdo, si, sum, 3 (to cause to run foul)II. Fig. • fall foul of: I. Lit.: To run or dash against: 1. incurro, curri and cŭcurri, cursum, 3: to f. foul of pillars, in columnas inc., Cic. Or. 67, 224 (concurro, of collision in combat, Hirt.: Lucr.). 2. collīdo, si, sum, 3 (to cause to run foul): the sea growing stormy caused the ships to f. foul of one another, inhorrescens mare inter se navigia collidere, Curt. 4, 3, med. II. Fig.: to f. foul of a man with abuse, jurgio aliquem lacessere, invadere, Tac.: maledicta in aliquem conjicere, conferre, Cic.: v. to abuse.