What is Roll A Fatty?
1.
the process of rolling a rather large joint, and then most likely
Hey, you roll any fattys lately??
2.
To drive a steamroller over a fairly-to-exceptionally fat person, preferably male.
MJ: Yo man, you wanna go roll a fatty?
Kevin: Yeah, who you wanna do, Blake?!
MJ: Nah, too easy.
See