tuxtax

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

tuxtax, an exclamation imitative of the sound of blows:

tuxtax meo tergo erit, Plaut. Pers. 2, 3, 12; cf. Naev. ap. Charis. 2, p. 185 P. (Com. Fragm. v. 6 Rib.), tax pax.