walking bucks

Money that you just carry around with you in your pocket when you go out. Basically, spending money. Usually referred to as "walking bucks" when the person has a lot of money to show off.

This must be your life savings under your bed, where did you get it all?

Nah, that's just walking bucks.

walking buck

Used in basketball to define a player who is an automatic scorer. They can score without hesitation or struggle.

Miere got next so this gonna be a L, he a walking buck, good luck guarding up.