I Cap - You say this when someone is clearly lying, and it’s like th

You say this when someone is clearly lying, and it’s like they’re trying to trick you with a bad fart.

I cap, he said he got an A, but I know he failed.

I cap, she said she’d be here in five minutes, but she’s still eating breakfast.

I cap, he said he’d finish the game, but he’s still crying from losing.