What is the meaning of "knock oneself out"?

The meaning of "knock oneself out" is:

to exhaust oneself


What is the definition of "knock oneself out"?

The definition of "knock oneself out" is:

to exhaust oneself



"knock oneself out" means

to exhaust oneself

Example Sentences:

Coach: Are you okay?
Player: No, Coach. I feel like I’m going to knock myself out if I keep playing.
Coach: Okay, take a rest!

The football player knocked himself out by practicing for 8 hours yesterday.

She really should take a break if she doesn’t want to keep knocking herself out. You can only study so much!


knock oneself out