1. twock - Noun
2. twock - Verb
twock (third-person singular simple present twocks, present participle twocking, simple past and past participle twocked)
Alternative form of twoc
(uncommon) The sharp, quick sound of one hard thing hitting another hard (or rubber or leather) thing, especially sports equipment such as a bat hitting a ball.
(uncommon) A twang; the sharp, quick sound an arrow being shot (and a bowstring vibrating) or hitting something hard.
Source: en.wiktionary.org