I'm history spoken language slang
I'm leaving
Finally finished work today. I'm history, goodbye everyone.
I'm history. See you later!
To seduce and make someone think you're in love with them (the fact is that you're not) then leave them
To flee or run
1. Used when someone or something moves very quickly.
2. Used when one starts moving or leaves promptly.
To abandon someone you was going to marry at the wedding ceremony just before it is supposed to happen
To leave at a favorable moment
People should use the phrase 'I'm history' in the apporiate context.