Cause it's Barbie bitch, you can join the wave
I've done penny nickel dimed, I done coined the phrase, ha!

from Young Money – Roger That Lyrics on Rap Genius

Meaning

Clever wordplay: pennies, nickles and dimes are all coins. When you ‘coin’ something is to stamp it and claim it as your own. She is saying she has coined the phrase “It’s Barbie Bitch” since she says it in a lot of her verses.

NICKI: Don’t get all self-righteous.. you are copying Barbie!

To help improve the meaning of these lyrics, visit “Roger That” by Young Money Lyrics and leave a comment on the lyrics box