knock under (to someone or something)
knock under (to someone or something)
obsolete To submit, yield, or surrender (to someone or something). The king was left with no choice but to knock under to the invading empire. The band of rebels was vastly outnumbered, but they refused to knock under. This is the law. The sooner you knock under to that, the better.
See also: knock, someone
Farlex Dictionary of Idioms.
- knock about with (one)
- knock up
- knocked up
- knock (one) dead
- knock dead
- knock 'em dead
- knock somebody dead
- knock someone dead
- knock (someone) down with a feather, to
- don't knock it