A fifteen - A fifteen is when you're not sure if you're going to hit tha

A fifteen is when you're not sure if you're going to hit that girl, like in blackjack.

"She’s a 15. I might hit. I might not.", Text from my friend who’s trying to flirt.

"15? I hit. I got 21. She hit. She got 22. She’s out.", DM from my brother who’s a blackjack pro.

"15 is the number you hope doesn’t get you in trouble.", Tweet from my cousin who’s bad at math."