ALL meanings of knock oneself out
knock one·self out
K k - verb knock oneself out (Idiomatic) To go ahead; to do as one pleases. 0
- verb knock oneself out (Idiomatic) (in the imperative) to grant permission for or to give endorsement of a suggestion or proposal, especially when the speaker is not interested in its outcome. 0
- noun knock oneself out to make great efforts; exhaust oneself 0