From jaw + block.
jawblock (third-person singular simple present jawblocks, present participle jawblocking, simple past and past participle jawblocked)
- (US slang, dated) To talk.
- 1946, Mezz Mezzrow and Bernard Wolfe, Really the Blues, Payback Press 1999, p. 61:
- The first time we began to jawblock we found out that we were all from the jazz school, and that made us friends right away.