A toast that is burnt, but at the same time it isn't
or
A toast that looks burnt but is good enough to eat
Examples on how to use this include but are not limited to;
-"Hey, Donkey, pass me the semi burnt toast you ass" said Shrek.
-"It appears that you have been eating way too much burnt toast jimmy, it is better if you the semi burnt toast instead" said jimmy's mother.
When a place is no longer available or has become off limitsdue to someone's actions.
Person 1: "Aye, let's go swimming at the pool at the hotel."
Person 2: "Nah, we can't. They caught us last time...Shit's burnt now.
Person 1: "You tryna go to the club tonight?"
Person 2: "Fuck no! The last time we were there, I got hammered and barf-sharked everywhere. That shit's burnt as fuck."