that wasn't very cash money of you
the phrase is used when someone just pulled a dick move. being cash money means being cool and chill, so not being cash money implies the person is being a huge ass, or just fucked up.
Example:
yo, did you just throw my beer? that wasn't very cash money of you
hey man that wasn't very cash money of you
yo, did you just throw my beer? that wasn't very cash money of you
hey man that wasn't very cash money of you