I just roll weed on your last album
And after that I'm 'bout to fuck your girl for 'bout an hour

from Game – Mr. West / Money The Power Lyrics on Rap Genius

Meaning

He is most likely taking shots at Wiz Khalifa here, who is currently dating his ex- girlfriend, Amber Rose, who he does probably want to screw again for at least an hour..

Wiz' last album is called “Rolling Papers”, so it would make sense to roll weed on it!

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