When you come to realization that you no longer give a fuck
Fuck this shit. I'm out!
Used to convey "It's over between us" or "I'm officially breaking up with you" (sometimes in the form of a threat) usually to a short-term partner.
"He didn't even realize what he'd done wrong so I told him 'I'm out' and wished him well."
"If you don't stop sleeping around, I'm out!"
Not agreeing to something or not interested.
Count me out.
Hey we're going to the football game, wanna come?
Nah, I'm out.
In games such as Modern Warfare 2, and in the military, meaning "I'm reloading".
I'm out, cover me!
means you don't care anymore and you will stop doing whatever u were doing
"I can't hold it anymore, I'm out"