lady flash

For a (group of or) individual woman to lift her shirt unexpectedly and "flash" something (or someone) with her boobs

Cassidy stood by the highway and lady flashed passing cars

Triple sign

Also known as "triple dollar sign"

Representing a large sum of money, having spent a lot of money to a small fortune on something

"Dude I just dropped triple sign on a sweet car!"
"My phone legit cost triple sign, if you know what I mean."