Aru: Mom, can I borrow 5 bucks?

Krithika: What do you think I am, made out of money?

Aru: Isn't that what mom stands for?

Krithika:.... *silence* *realizes it.* *Hands 5 bucks*

Aru: Thanks, mom. *leaves*

Explanation:
M- Made
O- Out of
M- Money