i'd stick a stack on it
You're so sure of your win you'd take a whole pile of cash and stick it in the thing like it's a trophy.
He said he'd stick a stack on it. I said I'd take the money and the trophy.
She's so sure she'll win, she'd stick a stack on it and still have time to post a selfie.
He said he'd stick a stack on it. I said he'd be lucky if he got the cash and not a punch in the face.