pĕr-ăcesco, ăcŭi, 3, v. inch. n., to become sour through and through, thoroughly sour; hence, trop., to become vexed, to grow vexatious (Plautin.): ita mihi pectus peracuit, Plaut. Aul. 3, 4, 9: hoc, hoc est, quod peracescit: hoc est demum quod percrucior, that vexes me, id. Bacch. 5, 1, 13.