'Done' can mean very tired or worn out. People use it when they have no energy left.
After work, I feel done.
He looks done after the game.
'Done' is the past participle form of 'do'. It is used with 'have' to talk about finished actions.
I have done my homework.
She has done all the work.
In informal speech, 'done' can show strong feelings that something is finished or cannot continue.
I am done with your lies.
She is done playing games.
In some informal dialects, 'done' means ready or willing to do something, like saying you want to start.
Are you done to help me?
He is done to join the team.