I'll fix it
The way you throw a chair or a cup at something and say I'LL FIX IT like it's a challenge
He threw his coffee cup at the computer and said I'LL FIX IT like it was a game.
She hurled her chair at the printer and yelled I'LL FIX IT like it was her enemy.
He tossed his pencil at the monitor and said I'LL FIX IT like it was a dare.