So what could that offer be that you can't refuse?

No biggie. Just a possibly funny or introspective quick answer that first comes to mind upon reading this question. Most of us know the movie. Michael Corleone explaining what the Godfather did to get that thing that he wanted. “He made him an offer he can’t refuse.” ( gravelly voice ) In other words, say no and you sleep with the fish.

But let’s not limit ourselves to death as the only consequence. If someone offers me a foot massage to kick my tomato pissing neighbor in the groin. Well, that’s one offer I can’t refuse. ( See, he pissed on my tomato from his side of the yard! What the…)